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Publication: Pelham, Jonathan P. 2008. A catalogue of the butterflies of the United States and Canada with a complete bibliography of the descriptive and systematic literature. Journal of Research on the Lepidoptera, vol. 40. xiv + 658.

ITIS records citing this publication
 
 Kingdom Animalia
  Abaeis Hübner, 1819 -- valid
  Abaeis nicippe (Cramer, 1779) -- valid
  Achalarus Scudder, 1872 -- valid
  Achalarus albociliatus (Mabille, 1877) -- valid -- Skinner's Cloudywing
  Achalarus albociliatus albociliatus (Mabille, 1877) -- valid
  Achalarus casica (Herrich-Schäffer, 1869) -- valid -- Desert Cloudywing
  Achalarus hedysarum Scudder, 1889 -- invalid
  Achalarus jalapus (Plötz, 1881) -- invalid -- Jalapus Cloudywing
  Achalarus lyciades (Geyer, 1832) -- valid -- Hoary Edge
  Achalarus toxeus (Plötz, 1882) -- valid -- Coyote Cloudywing
  Achlyodes Hübner, 1819 -- valid
  Achlyodes gorgona Plötz, 1884 -- invalid
  Achlyodes nivonicus Plötz, 1884 -- invalid
  Achlyodes pallida (R. Felder, 1869) -- valid
  Achlyodes thraso (Hübner, 1807) -- invalid -- Sickle-winged Skipper
  Achlyodes triangulus Mabille, 1897 -- invalid
  Achlyodidini Burmeister, 1878 -- valid
  Acolastus Scudder, 1872 -- invalid
  Adelpha Hübner, 1819 -- valid
  Adelpha basiloides H. Bates, 1865 -- valid -- Spot-celled Sister
  Adelpha bredowii Geyer, 1837 -- valid -- California Sister, Mexican Sister
  Adelpha californica (Butler, 1865) -- valid -- California Sister
  Adelpha eulalia (E. Doubleday, 1848) -- valid -- Arizona Sister
  Adelpha fessonia (Hewitson, 1847) -- valid -- Band-celled Sister
  Adelpha fessonia fessonia (Hewitson, 1847) -- valid
  Adopaeoides Godman, 1900 -- valid
  Adopaeoides prittwitzi (Plötz, 1884) -- valid -- Sunrise Skipper
  Adopoea Billberg, 1820 -- invalid
  Agathymus H. Freeman, 1959 -- valid
  Agathymus alliae (D. Stallings and Turner, 1957) -- valid -- Mojave Giant-Skipper
  Agathymus alliae alliae (D. Stallings and Turner, 1957) -- valid
  Agathymus alliae paiute Roever in T. Emmel, 1998 -- valid
  Agathymus aryxna (Dyar, 1905) -- valid -- Arizona Giant-Skipper
  Agathymus baueri (D. Stallings and Turner, 1954) -- valid
  Agathymus baueri baueri (D. Stallings and Turner, 1954) -- valid
  Agathymus baueri freemani D. Stallings and Turner, 1960 -- valid
  Agathymus estelleae (D. Stallings and Turner, 1958) -- valid
  Agathymus estelleae valverdiensis H. Freeman, 1966 -- valid
  Agathymus evansi (H. Freeman, 1950) -- valid -- Huachuca Giant-Skipper
  Agathymus gentryi Roever in T. Emmel, 1998 -- valid
  Agathymus gilberti H. Freeman, 1964 -- valid
  Agathymus mariae (W. Barnes and Benjamin, 1924) -- valid -- Mary's Giant-Skipper
  Agathymus mariae chinatiensis H. Freeman, 1964 -- valid
  Agathymus mariae lajitaensis H. Freeman, 1964 -- valid
  Agathymus mariae mariae (W. Barnes and Benjamin, 1924) -- valid
  Agathymus mariae rindgei H. Freeman, 1964 -- valid
  Agathymus neumoegeni (W. H. Edwards, 1882) -- valid -- Orange Giant-Skipper
  Agathymus neumoegeni carlsbadensis (D. Stallings and Turner, 1957) -- valid
  Agathymus neumoegeni chisosensis (H. Freeman, 1952) -- valid
  Agathymus neumoegeni diabloensis H. Freeman, 1962 -- valid
  Agathymus neumoegeni florenceae (D. Stallings and Turner, 1957) -- valid
  Agathymus neumoegeni judithae (D. Stallings and Turner, 1957) -- valid
  Agathymus neumoegeni mcalpinei (H. Freeman, 1955) -- valid
  Agathymus neumoegeni neumoegeni (W. H. Edwards, 1882) -- valid
  Agathymus polingi (Skinner, 1905) -- valid -- Poling's Giant-Skipper
  Agathymus remingtoni (D. Stallings and Turner, 1958) -- valid -- Coahuila Giant-Skipper
  Agathymus stephensi (Skinner, 1912) -- valid -- California Giant-Skipper
  Ageroniini E. Doubleday, 1847 -- valid
  Aglais Dalman, 1816 -- valid
  Aglais milberti (Godart, 1819) -- valid
  Aglais milberti milberti (Godart, 1819) -- valid
  Aglais milberti pullum (Austin in T. Emmel, 1998) -- valid
  Aglais milberti subpallida (Cockerell, 1889) -- valid
  Aglais milberti viola dos Passos, 1938 -- valid
  Aglais urticae (Linnaeus, 1758) -- valid
  Agraulis Boisduval and Le Conte, 1835 -- valid
  Agraulis vanillae (Linnaeus, 1758) -- valid -- Gulf Fritillary
  Agraulis vanillae incarnata (N. Riley, 1926) -- valid
  Agraulis vanillae nigrior Michener, 1942 -- valid
  Agriades cassiope J. Emmel and T. Emmel in T. Emmel, 1998 -- invalid -- Heather Blue
  Agriades glandon (de Prunner, 1798) -- invalid -- Arctic Blue
  Agriades glandon franklinii (J. Curtis, 1835) -- invalid -- 'Mountain' Arctic Blue
  Agriades glandon glandon (de Prunner, 1798) -- invalid -- 'Glandon' Arctic Blue
  Agriades glandon podarce (C. Felder and R. Felder, 1865) -- invalid -- 'Sierra' Arctic Blue
  Aguna R. Williams, 1927 -- valid
  Aguna asander (Hewitson, 1867) -- valid -- Gold-spotted Aguna
  Aguna asander asander (Hewitson, 1867) -- valid
  Aguna claxon Evans, 1952 -- valid -- Emerald Aguna
  Aguna metophis (Latreille, 1824) -- valid -- Tailed Aguna
  Allosmaitia Clench, 1964 -- valid
  Allosmaitia strophius (Godart, 1824) -- valid -- Strophius Hairstreak
  Amblyscirtes Scudder, 1872 -- valid
  Amblyscirtes aenus W. H. Edwards, 1878 -- valid -- Bronze Roadside-Skipper
  Amblyscirtes aenus aenus W. H. Edwards, 1878 -- valid
  Amblyscirtes aenus erna H. Freeman, 1943 -- valid
  Amblyscirtes aenus megamacula Scott, 1998 -- valid
  Amblyscirtes aesculapius (Fabricius, 1793) -- valid -- Lace-winged Roadside-Skipper
  Amblyscirtes alternata (Grote and Robinson, 1867) -- valid -- Dusky Roadside-Skipper
  Amblyscirtes belli H. Freeman, 1941 -- valid -- Bell's Roadside-Skipper
  Amblyscirtes carolina (Skinner, 1892) -- valid -- Carolina Roadside-Skipper
  Amblyscirtes cassus W. H. Edwards, 1883 -- valid -- Cassus Roadside-Skipper
  Amblyscirtes celia Skinner, 1895 -- valid -- Celia's Roadside-Skipper
  Amblyscirtes elissa Godman, 1900 -- valid -- Elissa Roadside-Skipper
  Amblyscirtes elissa arizonae H. Freeman, 1993 -- valid
  Amblyscirtes eos (W. H. Edwards, 1871) -- valid -- Dotted Roadside-Skipper
  Amblyscirtes erna H. Freeman, 1943 -- invalid
  Amblyscirtes exoteria (Herrich-Schäffer, 1869) -- valid -- Large Roadside-Skipper
  Amblyscirtes fimbriata (Plötz, 1882) -- valid -- Orange-edged Roadside-Skipper
  Amblyscirtes fimbriata fimbriata (Plötz, 1882) -- valid
  Amblyscirtes hegon (Scudder, 1863) -- valid -- Pepper and Salt Skipper
  Amblyscirtes linda H. Freeman, 1943 -- valid -- Linda's Roadside-Skipper
  Amblyscirtes nanno W. H. Edwards, 1882 -- invalid
  Amblyscirtes nereus (W. H. Edwards, 1876) -- valid -- Slaty Roadside-Skipper
  Amblyscirtes nilus W. H. Edwards, 1878 -- invalid
  Amblyscirtes nysa W. H. Edwards, 1877 -- valid -- Nysa Roadside-Skipper
  Amblyscirtes oslari (Skinner, 1899) -- valid -- Oslar's Roadside-Skipper
  Amblyscirtes phylace (W. H. Edwards, 1878) -- valid -- Orange-headed Roadside-Skipper
  Amblyscirtes reversa F. Jones, 1926 -- valid -- Reversed Roadside-Skipper
  Amblyscirtes simius W. H. Edwards, 1881 -- invalid -- Simius Roadside-Skipper
  Amblyscirtes texanae E. Bell, 1927 -- valid -- Texas Roadside-Skipper
  Amblyscirtes tolteca Scudder, 1872 -- valid -- Toltec Roadside-Skipper
  Amblyscirtes tolteca prenda Evans, 1955 -- valid -- 'Prenda' Toltec Roadside-Skipper
  Amblyscirtes vialis (W. H. Edwards, 1862) -- valid -- Common Roadside-Skipper
  Anaea Hübner, 1819 -- valid
  Anaea aidea (Guérin-Méneville, 1844) -- valid -- Tropical Leafwing
  Anaea aidea floridalis F. Johnson and W. Comstock, 1941 -- invalid
  Anaea andria Scudder, 1875 -- valid -- Goatweed Leafwing
  Anaea echemus (E. Doubleday, 1849) -- invalid -- Chestnut Leafwing
  Anaea floridalis F. Johnson and W. Comstock, 1941 -- invalid -- Florida Leafwing
  Anaea glycerium (E. Doubleday, 1849) -- invalid -- Angled Leafwing
  Anaea pithyusa (R. Felder, 1869) -- invalid -- Pale-spotted Leafwing
  Anaea troglodyta (Fabricius, 1775) -- valid
  Anaea troglodyta floridalis F. Johnson and W. Comstock, 1941 -- valid
  Anaeini Reuter, 1896 -- valid
  Anaperus Mabille and Boullet, 1919 -- invalid
  Anartia Hübner, 1819 -- valid
  Anartia chrysopelea Hübner, 1831 -- valid -- Cuban Peacock
  Anartia fatima (Fabricius, 1793) -- valid -- Banded Peacock
  Anartia fatima fatima (Fabricius, 1793) -- valid
  Anartia jatrophae (Linnaeus, 1763) -- valid -- White Peacock
  Anartia jatrophae guantanamo Munroe, 1942 -- valid
  Anartia jatrophae luteipicta Fruhstorfer, 1907 -- valid
  Anastrus Hübner, 1824 -- valid
  Anastrus sempiternus (Butler and H. Druce, 1872) -- valid
  Anastrus sempiternus sempiternus (Butler and H. Druce, 1872) -- valid
  Anatrytone Dyar, 1905 -- valid
  Anatrytone logan (W. H. Edwards, 1863) -- valid -- Delaware Skipper
  Anatrytone logan lagus (W. H. Edwards, 1881) -- valid
  Anatrytone logan logan (W. H. Edwards, 1863) -- valid
  Anatrytone mazai (H. Freeman, 1969) -- valid -- Glowing Skipper
  Anatrytone potosiensis (H. Freeman, 1969) -- valid
  Ancistrocampta C. Felder and R. Felder, 1862 -- invalid
  Ancyloxypha C. Felder, 1863 -- valid
  Ancyloxypha arene (W. H. Edwards, 1871) -- valid -- Tropical Least Skipper
  Ancyloxypha longleyi French, 1897 -- invalid
  Ancyloxypha numitor (Fabricius, 1793) -- valid -- Least Skipper
  Ancyloxypha simplex R. Felder, 1869 -- invalid
  Andinus Hayward, 1940 -- invalid
  Anteos Hübner, 1819 -- valid
  Anteos clorinde (Godart, 1824) -- valid -- White Angled-Sulphur
  Anteos maerula (Fabricius, 1775) -- valid -- Yellow Angled-Sulphur
  Anthanassa Scudder, 1875 -- valid
  Anthanassa argentea (Godman and Salvin, 1882) -- valid
  Anthanassa frisia (Poey, 1832) -- valid
  Anthanassa frisia frisia (Poey, 1832) -- valid
  Anthanassa ptolyca (H. Bates, 1864) -- valid
  Anthanassa ptolyca ptolyca (H. Bates, 1864) -- valid
  Anthanassa texana (W. H. Edwards, 1863) -- valid
  Anthanassa texana seminole (Skinner, 1911) -- valid
  Anthanassa texana texana (W. H. Edwards, 1863) -- valid
  Anthanassa tulcis (H. Bates, 1864) -- valid
  Anthocharidini Scudder, 1889 -- valid
  Anthocharinae -- invalid
  Anthocharis Boisduval, Rambur, [Duméril] and Graslin, 1833 -- valid
  Anthocharis (Anthocharis) Boisduval, Rambur, [Duméril] and Graslin, 1833 -- valid
  Anthocharis (Paramidea) Kuznetsov, 1929 -- valid
  Anthocharis cethura C. Felder and R. Felder, 1865 -- valid -- Desert Orangetip
  Anthocharis cethura catalina Meadows, 1937 -- valid
  Anthocharis cethura cethura C. Felder and R. Felder, 1865 -- valid
  Anthocharis cethura hadromarmorata J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Anthocharis cethura mojavensis J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Anthocharis cethura morrisoni W. H. Edwards, 1881 -- valid
  Anthocharis cethura pima W. H. Edwards, 1888 -- valid -- Pima Orangetip
  Anthocharis lanceolata Lucas, 1852 -- valid -- Gray Marble
  Anthocharis lanceolata australis (F. Grinnell, 1908) -- valid
  Anthocharis lanceolata desertolimbus J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Anthocharis lanceolata lanceolata Lucas, 1852 -- valid
  Anthocharis midea (Hübner, 1809) -- valid -- Falcate Orangetip
  Anthocharis midea annickae dos Passos and Klots, 1969 -- valid
  Anthocharis midea midea (Hübner, 1809) -- valid
  Anthocharis midea texana Gatrelle, 1998 -- valid
  Anthocharis sara Lucas, 1852 -- valid -- Sara Orangetip
  Anthocharis sara alaskensis Gunder, 1932 -- valid
  Anthocharis sara browningi Skinner, 1906 -- valid
  Anthocharis sara flora W. G. Wright, 1892 -- valid
  Anthocharis sara gunderi Ingham, 1933 -- valid
  Anthocharis sara inghami Gunder, 1932 -- valid
  Anthocharis sara julia W. H. Edwards, 1872 -- valid
  Anthocharis sara pseudothoosa Austin in T. Emmel, 1998 -- valid
  Anthocharis sara sara Lucas, 1852 -- valid -- 'Pacific' Sara Orangetip
  Anthocharis sara stella W. H. Edwards, 1879 -- valid -- 'Stella' Sara Orangetip
  Anthocharis sara sulfuris Pelham, 2008 -- valid
  Anthocharis sara thoosa (Scudder, 1878) -- valid
  Anthomaster Scudder, 1872 -- invalid
  Antigonus Hübner, 1819 -- valid
  Antigonus diogenes Plötz, 1884 -- invalid
  Antigonus emorsa (R. Felder, 1869) -- valid
  Antigonus emorsus (R. Felder, 1869) -- invalid -- White Spurwing
  Antigonus erosus (Hübner, 1812) -- valid
  Antigonus evansi E. Bell, 1941 -- invalid
  Antigonus fumosus Plötz, 1884 -- invalid
  Apallaga Strand, 1911 -- invalid
  Apaturinae Boisduval, 1840 -- valid -- Emperors
  Apaustus euphrasia Plötz, 1884 -- invalid
  Apaustus isidorus (Plötz, 1884) -- invalid
  Apaustus leporina Plötz, 1884 -- invalid
  Aphrissa Butler, 1873 -- valid
  Aphrissa orbis (Poey, 1832) -- valid
  Aphrissa orbis orbis (Poey, 1832) -- valid
  Aphrissa statira (Cramer, 1777) -- valid
  Aphrissa statira floridensis (Neumoegen, 1891) -- valid
  Aphrissa statira statira (Cramer, 1777) -- valid
  Apodemia C. Felder and R. Felder, 1865 -- valid
  Apodemia chisosensis H. Freeman, 1964 -- valid
  Apodemia duryi (W. H. Edwards, 1882) -- valid
  Apodemia hepburni Godman and Salvin, 1886 -- valid -- Hepburn's Metalmark
  Apodemia hepburni hepburni Godman and Salvin, 1886 -- valid
  Apodemia mejicanus (Behr, 1865) -- valid
  Apodemia mejicanus deserti W. Barnes and McDunnough, 1918 -- valid
  Apodemia mejicanus mejicanus (Behr, 1865) -- valid
  Apodemia mejicanus pueblo Scott, 1998 -- valid
  Apodemia mormo (C. Felder and R. Felder, 1859) -- valid -- Mormon Metalmark
  Apodemia mormo autumnalis Austin in T. Emmel, 1998 -- valid
  Apodemia mormo cythera (W. H. Edwards, 1873) -- valid
  Apodemia mormo deserti W. Barnes and McDunnough, 1918 -- invalid
  Apodemia mormo langei J. A. Comstock, 1939 -- valid -- Lange's metalmark Butterfly
  Apodemia mormo mormo (C. Felder and R. Felder, 1859) -- valid
  Apodemia mormo parva Austin in T. Emmel, 1998 -- valid
  Apodemia mormo tuolumnensis Opler and Powell, 1962 -- valid
  Apodemia multiplaga Schaus, 1902 -- valid -- Narrow-winged Metalmark
  Apodemia nais (W. H. Edwards, 1877) -- valid -- Nais Metalmark
  Apodemia palmerii (W. H. Edwards, 1870) -- valid
  Apodemia palmerii arizona Austin, 1989 -- valid
  Apodemia palmerii palmerii (W. H. Edwards, 1870) -- valid
  Apodemia phyciodoides W. Barnes and Benjamin, 1924 -- valid -- Crescent Metalmark
  Apodemia virgulti (Behr, 1865) -- valid
  Apodemia virgulti arenaria J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Apodemia virgulti davenporti J. Emmel, T. Emmel and Pratt in T. Emmel, 1998 -- valid
  Apodemia virgulti dialeucoides J. Emmel, T. Emmel and Pratt in T. Emmel, 1998 -- valid
  Apodemia virgulti mojavelimbus J. Emmel, T. Emmel and Pratt in T. Emmel, 1998 -- valid
  Apodemia virgulti nigrescens J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Apodemia virgulti peninsularis J. Emmel, T. Emmel and Pratt in T. Emmel, 1998 -- valid
  Apodemia virgulti pratti J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Apodemia virgulti virgulti (Behr, 1865) -- valid
  Apodemia walkeri Godman and Salvin, 1886 -- valid -- Walker's Metalmark
  Aporiina Chapman, 1895 -- valid
  Appiadina Kuznetsov, 1929 -- valid
  Appias drusilla (Cramer, 1779) -- invalid -- Florida White
  Apyrrothrix Lindsey, 1921 -- valid
  Apyrrothrix araxes (Hewitson, 1867) -- valid
  Apyrrothrix araxes arizonae (Godman and Salvin, 1893) -- valid
  Arawacus Kaye, 1904 -- valid
  Arawacus jada (Hewitson, 1867) -- valid -- Creamy Stripe-streak
  Argynnina Swainson, 1833 -- valid
  Argynnini Swainson, 1833 -- valid
  Arteurotia Butler and H. Druce, 1872 -- valid
  Arteurotia tractipennis Butler and H. Druce, 1872 -- valid -- Starred Skipper
  Arteurotia tractipennis tractipennis Butler and H. Druce, 1872 -- valid
  Asbolis Mabille, 1904 -- valid
  Asbolis capucinus (Lucas, 1857) -- valid -- Monk Skipper
  Ascia Scopoli, 1777 -- valid
  Ascia monuste (Linnaeus, 1764) -- valid -- Great Southern White
  Ascia monuste eubotea (Godart, 1819) -- valid
  Ascia monuste monuste (Linnaeus, 1764) -- valid
  Ascia monuste phileta (Fabricius, 1775) -- valid
  Asterocampa Röber, 1916 -- valid
  Asterocampa celtis (Boisduval and Le Conte, 1835) -- valid -- Hackberry Emperor
  Asterocampa celtis antonia (W. H. Edwards, 1878) -- valid
  Asterocampa celtis celtis (Boisduval and Le Conte, 1835) -- valid
  Asterocampa celtis reinthali Friedlander, 1988 -- valid
  Asterocampa clyton (Boisduval and Le Conte, 1835) -- valid -- Tawny Emperor
  Asterocampa clyton clyton (Boisduval and Le Conte, 1835) -- valid
  Asterocampa clyton flora (W. H. Edwards, 1876) -- valid
  Asterocampa clyton louisa D. Stallings and Turner, 1947 -- valid
  Asterocampa clyton texana (Skinner, 1911) -- valid
  Asterocampa idyja (Geyer, 1828) -- valid
  Asterocampa idyja argus (H. Bates, 1864) -- valid -- 'Cream-banded' Dusky Emperor
  Asterocampa leilia (W. H. Edwards, 1874) -- valid -- Empress Leilia
  Astraptes Hübner, 1819 -- valid
  Astraptes alardus (Stoll, 1790) -- valid -- Frosted Flasher
  Astraptes alardus latia Evans, 1952 -- valid
  Astraptes alector (C. Felder and R. Felder, 1867) -- valid
  Astraptes alector hopfferi (Plötz, 1881) -- valid
  Astraptes anaphus (Cramer, 1777) -- valid -- Yellow-tipped Flasher
  Astraptes anaphus annetta Evans, 1952 -- valid
  Astraptes egregius (Butler, 1870) -- valid -- Small-spotted Flasher
  Astraptes egregius egregius (Butler, 1870) -- valid
  Astraptes fulgerator (Walch, 1775) -- valid -- Two-barred Flasher
  Astraptes fulgerator azul (Reakirt, 1867) -- valid
  Astraptes galesus (Mabille, 1888) -- valid
  Astraptes galesus cassius Evans, 1952 -- valid
  Astraptes gilberti H. Freeman, 1969 -- invalid -- Gilbert's Flasher
  Astraptes latimargo (Herrich-Schäffer, 1869) -- valid
  Astraptes latimargo latimargo (Herrich-Schäffer, 1869) -- valid
  Astycus Hübner, 1822 -- invalid
  Atalopedes Scudder, 1872 -- valid
  Atalopedes campestris (Boisduval, 1852) -- valid -- Sachem
  Atalopedes campestris campestris (Boisduval, 1852) -- valid
  Atalopedes campestris huron (W. H. Edwards, 1863) -- valid
  Atalopedes campestris tenebricosus Austin and J. Emmel in T. Emmel, 1998 -- invalid
  Atalopedes clarkei Burns, 1989 -- invalid
  Atalopedes flaveola (Mabille, 1891) -- valid
  Ateleomorpha B. Warren, 1926 -- invalid
  Atlides Hübner, 1819 -- valid
  Atlides halesus (Cramer, 1777) -- valid -- Great Purple Hairstreak
  Atlides halesus corcorani Clench, 1942 -- valid
  Atlides halesus halesus (Cramer, 1777) -- valid
  Atrytone Scudder, 1872 -- valid
  Atrytone alabamae Lindsey, 1923 -- invalid
  Atrytone arogos (Boisduval and Le Conte, 1837) -- valid -- Arogos Skipper
  Atrytone arogos arogos (Boisduval and Le Conte, 1837) -- valid
  Atrytone arogos iowa (Scudder, 1868) -- valid
  Atrytone contradicta Leussler, 1933 -- invalid
  Atrytone heberia Dyar, 1914 -- invalid
  Atrytone logan lagus (W. H. Edwards, 1881) -- invalid
  Atrytone logan logan (W. H. Edwards, 1863) -- invalid
  Atrytone mellona Godman, 1900 -- invalid
  Atrytonopsis Godman, 1900 -- valid
  Atrytonopsis cestus (W. H. Edwards, 1884) -- valid -- Cestus Skipper
  Atrytonopsis deva (W. H. Edwards, 1877) -- valid -- Deva Skipper
  Atrytonopsis edwardsi W. Barnes and McDunnough, 1916 -- valid
  Atrytonopsis hianna (Scudder, 1868) -- valid -- Dusted Skipper
  Atrytonopsis hianna hianna (Scudder, 1868) -- valid
  Atrytonopsis hianna loammi (Whitney, 1876) -- invalid
  Atrytonopsis hianna turneri H. Freeman, 1948 -- valid
  Atrytonopsis loammi (Whitney, 1876) -- valid
  Atrytonopsis lunus (W. H. Edwards, 1884) -- valid -- Moon-marked Skipper
  Atrytonopsis pittacus (W. H. Edwards, 1882) -- valid -- White-barred Skipper
  Atrytonopsis python (W. H. Edwards, 1882) -- valid -- Python Skipper
  Atrytonopsis vierecki (Skinner, 1902) -- valid -- Viereck's Skipper
  Aubertia Oberthür, 1896 -- invalid
  Autochton Hübner, 1823 -- valid
  Autochton cellus (Boisduval and Le Conte, 1837) -- valid -- Golden Banded-Skipper
  Autochton cincta (Plötz, 1882) -- valid -- Chisos Banded-Skipper
  Autochton pseudocellus (Coolidge and Clemence, 1910) -- valid -- Sonoran Banded-Skipper
  Battina Munroe and P. Ehrlich, 1960 -- valid
  Battus Scopoli, 1777 -- valid
  Battus devilliers (Godart, 1824) -- valid
  Battus philenor (Linnaeus, 1771) -- valid -- Pipevine Swallowtail
  Battus philenor hirsuta (Skinner, 1908) -- valid
  Battus philenor philenor (Linnaeus, 1771) -- valid
  Battus polydamas (Linnaeus, 1758) -- valid -- Polydamas Swallowtail
  Battus polydamas lucayus (Rothschild and Jordan, 1906) -- valid
  Battus polydamas polydamas (Linnaeus, 1758) -- valid
  Bibacis argenteola Matsumura, 1940 -- invalid
  Biblidinae Boisduval, 1833 -- valid
  Biblidini Boisduval, 1833 -- valid
  Biblis [Fabricius], 1807 -- valid
  Biblis hyperia (Cramer, 1779) -- valid -- Red Rim
  Biblis hyperia aganisa Boisduval, 1836 -- valid
  Bolla Mabille, 1903 -- valid
  Bolla brennus (Godman and Salvin, 1896) -- valid -- Obscure Bolla
  Bolla brennus brennus (Godman and Salvin, 1896) -- valid
  Bolla clytius (Godman and Salvin, 1897) -- valid -- Mottled Bolla
  Boloria Moore, 1900 -- valid
  Boloria (Boloria) Moore, 1900 -- valid
  Boloria (Clossiana) Reuss, 1920 -- valid
  Boloria acrocnema Gall and Sperling, 1980 -- invalid -- Uncompahgre fritillary Butterfly
  Boloria alaskensis (W. Holland, 1900) -- valid -- Mountain Fritillary
  Boloria alaskensis alaskensis (W. Holland, 1900) -- valid
  Boloria alaskensis halli Klots, 1940 -- valid
  Boloria alberta (W. H. Edwards, 1890) -- valid -- Alberta Fritillary
  Boloria astarte (E. Doubleday, 1847) -- valid -- Astarte Fritillary
  Boloria astarte astarte (E. Doubleday, 1847) -- valid
  Boloria astarte distincta (Gibson, 1920) -- valid -- 'Distinct' Astarte Fritillary
  Boloria astarte tschukotkensis Wyatt, 1961 -- valid
  Boloria bellona (Fabricius, 1775) -- valid -- boloria des prés, Meadow Fritillary, meadow fritillary
  Boloria bellona bellona (Fabricius, 1775) -- valid
  Boloria bellona jenistai D. Stallings and Turner, 1947 -- valid
  Boloria bellona toddi (W. Holland, 1928) -- valid
  Boloria chariclea (Schneider, 1794) -- valid -- Arctic Fritillary
  Boloria chariclea arctica (Zetterstedt, 1839) -- valid
  Boloria chariclea boisduvalii (Duponchel, 1832) -- valid
  Boloria chariclea butleri (W. H. Edwards, 1883) -- valid
  Boloria chariclea grandis (W. Barnes and Benjamin, 1916) -- valid
  Boloria chariclea helena (W. H. Edwards, 1871) -- valid
  Boloria chariclea ingens (W. Barnes and McDunnough, 1918) -- valid
  Boloria chariclea montinus (Scudder, 1863) -- valid
  Boloria chariclea rainieri (W. Barnes and McDunnough, 1913) -- valid
  Boloria epithore (W. H. Edwards, 1864) -- valid -- Pacific Fritillary
  Boloria epithore chermocki E. Perkins and S. Perkins, 1966 -- valid
  Boloria epithore epithore (W. H. Edwards, 1864) -- valid
  Boloria epithore sierra E. Perkins, 1973 -- valid
  Boloria epithore sigridae (J. Shepard, 2001) -- valid
  Boloria eunomia (Esper, 1800) -- valid -- Bog Fritillary, bog fritillary, boloria des tourbières
  Boloria eunomia caelestis (Hemming, 1933) -- valid
  Boloria eunomia dawsoni (W. Barnes and McDunnough, 1916) -- valid
  Boloria eunomia denali (Klots, 1940) -- valid
  Boloria eunomia laddi (Klots, 1940) -- valid
  Boloria eunomia nichollae (W. Barnes and Benjamin, 1926) -- valid
  Boloria eunomia triclaris (Hübner, 1821) -- valid
  Boloria eunomia ursadentis Ferris and Groothuis, 1971 -- valid
  Boloria freija (Thunberg, 1791) -- valid -- Freija Fritillary
  Boloria freija browni (Higgins, 1953) -- valid
  Boloria freija freija (Thunberg, 1791) -- valid
  Boloria freija tarquinius (J. Curtis, 1835) -- valid
  Boloria frigga (Thunberg, 1791) -- valid -- Frigga Fritillary
  Boloria frigga frigga (Thunberg, 1791) -- valid
  Boloria frigga gibsoni (W. Barnes and McDunnough, 1926) -- valid
  Boloria frigga saga (Staudinger, 1861) -- valid -- saga fritillary
  Boloria frigga sagata (W. Barnes and Benjamin, 1923) -- valid
  Boloria improba (Butler, 1877) -- valid -- Dingy Fritillary
  Boloria improba acrocnema Gall and Sperling, 1980 -- valid -- 'Uncompahgre' Dingy Fritillary
  Boloria improba harryi (Ferris, 1984) -- valid -- 'Wind River' Dingy Fritillary
  Boloria improba improba (Butler, 1877) -- valid
  Boloria improba nunatak Scott, 1998 -- valid
  Boloria improba youngi (W. Holland, 1900) -- valid
  Boloria kriemhild (Strecker, 1879) -- valid -- Relict Fritillary
  Boloria montinus (Scudder, 1863) -- invalid -- Purplish Fritillary
  Boloria napaea (Hoffmansegg, 1804) -- valid -- Mountain Fritillary
  Boloria natazhati (Gibson, 1920) -- valid -- Cryptic Fritillary
  Boloria natazhati bankslandia J. Shepard, 1998 -- valid
  Boloria natazhati nabokovi D. Stallings and Turner, 1947 -- valid
  Boloria natazhati natazhati (Gibson, 1920) -- valid
  Boloria polaris (Boisduval, 1828) -- valid -- polar fritillary, Polaris Fritillary
  Boloria polaris polaris (Boisduval, 1828) -- valid
  Boloria polaris stellata Masters, 1972 -- valid
  Boloria selene ([Schiffermüller], 1775) -- valid -- boloria à taches argentées, Silver-bordered Fritillary, silverbordered fritillary
  Boloria selene albequina (W. Holland, 1928) -- valid
  Boloria selene atrocostalis (Huard, 1927) -- valid
  Boloria selene myrina (Cramer, 1777) -- valid
  Boloria selene nebraskensis (W. Holland, 1928) -- valid
  Boloria selene sabulocollis Kohler, 1977 -- valid
  Boloria selene selene ([Schiffermüller], 1775) -- valid
  Boloria selene terraenovae (W. Holland, 1928) -- valid -- silver bordered fritillary
  Boloria selene tollandensis (W. Barnes and Benjamin, 1925) -- valid
  Boloria titania (Esper, 1793) -- valid
  Boloriina B. Warren, dos Passos and Grey, 1946 -- valid
  Brachycoryne Mabille, 1883 -- invalid
  Bremeria Tutt, 1906 -- invalid
  Brephidium Scudder, 1876 -- valid
  Brephidium exile (Boisduval, 1852) -- invalid -- Western Pygmy-Blue
  Brephidium exilis (Boisduval, 1852) -- valid
  Brephidium exilis exilis (Boisduval, 1852) -- valid
  Brephidium exilis isophthalma (Herrich-Schäffer, 1862) -- valid
  Brephidium isophthalma (Herrich-Schäffer, 1862) -- invalid -- Eastern Pygmy-Blue
  Brephidium pseudofea (Morrison, 1873) -- valid
  Brephidium pseudofea insularis Pavulaan and Gatrelle, 1999 -- valid
  Brephidium pseudofea pseudofea (Morrison, 1873) -- valid
  Cabares Godman and Salvin, 1894 -- valid
  Cabares potrillo (Lucas, 1857) -- valid -- Potrillo Skipper
  Cabares potrillo potrillo (Lucas, 1857) -- valid
  Caicella Hemming, 1934 -- invalid
  Calephelis Grote and Robinson, 1869 -- valid
  Calephelis arizonensis McAlpine, 1971 -- valid -- Arizona Metalmark
  Calephelis borealis (Grote and Robinson, 1866) -- valid -- Northern Metalmark
  Calephelis dreisbachi McAlpine, 1971 -- valid -- Nogales Metalmark
  Calephelis freemani McAlpine, 1971 -- valid
  Calephelis mutica McAlpine, 1937 -- invalid -- Swamp Metalmark
  Calephelis muticum McAlpine, 1937 -- valid
  Calephelis nemesis (W. H. Edwards, 1871) -- valid -- Fatal Metalmark
  Calephelis nemesis australis (W. H. Edwards, 1877) -- valid
  Calephelis nemesis dammersi McAlpine, 1971 -- valid
  Calephelis nemesis nemesis (W. H. Edwards, 1871) -- valid
  Calephelis perditalis W. Barnes and McDunnough, 1918 -- valid -- Rounded Metalmark
  Calephelis perditalis perditalis W. Barnes and McDunnough, 1918 -- valid
  Calephelis rawsoni McAlpine, 1939 -- valid -- Rawson's Metalmark
  Calephelis rawsoni rawsoni McAlpine, 1939 -- valid -- 'Rawson's' Rawson's Metalmark
  Calephelis virginiensis (Guérin-Méneville, 1832) -- valid -- Little Metalmark
  Calephelis wrighti W. Holland, 1930 -- valid -- Wright's Metalmark
  Callidryas orbis Poey, 1832 -- invalid
  Callimormus saturnus (Herrich-Schäffer, 1869) -- valid
  Callophrys Billberg, 1820 -- valid
  Callophrys (Callophrys) Billberg, 1820 -- valid
  Callophrys (Cisincisalia) K. Johnson, 1992 -- valid
  Callophrys (Incisalia) Scudder, 1872 -- valid
  Callophrys (Mitoura) Scudder, 1872 -- valid
  Callophrys (Sandia) Clench and P. Ehrlich, 1960 -- valid
  Callophrys (Xamia) Clench, 1961 -- valid
  Callophrys affinis (W. H. Edwards, 1862) -- valid
  Callophrys affinis affinis (W. H. Edwards, 1862) -- valid
  Callophrys affinis albipalpis Gorelick, 2005 -- valid
  Callophrys affinis apama (W. H. Edwards, 1882) -- valid
  Callophrys affinis homoperplexa W. Barnes and Benjamin, 1923 -- valid
  Callophrys affinis washingtonia Clench, 1944 -- valid
  Callophrys augustinus (Westwood, 1852) -- valid -- Brown Elfin
  Callophrys augustinus annetteae (dos Passos, 1943) -- valid
  Callophrys augustinus augustinus (Westwood, 1852) -- valid
  Callophrys augustinus concava (Austin in T. Emmel, 1998) -- valid
  Callophrys augustinus croesioides (Scudder, 1876) -- valid
  Callophrys augustinus helenae (dos Passos, 1943) -- valid
  Callophrys augustinus iroides (Boisduval, 1852) -- valid
  Callophrys dumetorum (Boisduval, 1852) -- valid -- Bramble Hairstreak
  Callophrys dumetorum affinis (W. H. Edwards, 1862) -- invalid -- 'Immaculate' Bramble Hairstreak
  Callophrys dumetorum apama (W. H. Edwards, 1882) -- invalid -- 'Canyon' Bramble Hairstreak
  Callophrys dumetorum dumetorum (Boisduval, 1852) -- valid -- 'Bramble' Bramble Hairstreak
  Callophrys dumetorum viridis (W. H. Edwards, 1862) -- invalid -- 'Coastal' Bramble Hairstreak
  Callophrys eryphon (Boisduval, 1852) -- valid -- Western Pine Elfin
  Callophrys eryphon eryphon (Boisduval, 1852) -- valid
  Callophrys eryphon fusca (Austin in T. Emmel, 1998) -- valid
  Callophrys eryphon pallescens (Austin in T. Emmel, 1998) -- valid
  Callophrys eryphon purpurascens (Austin and J. Emmel in T. Emmel, 1998) -- valid
  Callophrys eryphon sheltonensis (F. Chermock and Frechin, 1949) -- valid
  Callophrys fotis (Strecker, 1878) -- valid -- Desert Elfin
  Callophrys fotis fotis (Strecker, 1878) -- valid
  Callophrys fotis mojavensis (Austin in T. Emmel, 1998) -- valid
  Callophrys gryneus (Hübner, 1819) -- valid -- Juniper Hairstreak
  Callophrys gryneus byrnei K. Johnson, 1976 -- valid
  Callophrys gryneus castalis (W. H. Edwards, 1871) -- valid
  Callophrys gryneus chalcosiva Clench, 1981 -- valid
  Callophrys gryneus gryneus (Hübner, 1819) -- valid -- 'Olive' Juniper Hairstreak
  Callophrys gryneus juniperaria (J. A. Comstock, 1925) -- valid
  Callophrys gryneus loki (Skinner, 1907) -- valid -- 'Loki' Juniper Hairstreak
  Callophrys gryneus mansfieldi (Tilden, 1951) -- valid
  Callophrys gryneus muiri (Hy. Edwards, 1881) -- invalid -- 'Muir's' Juniper Hairstreak
  Callophrys gryneus nelsoni (Boisduval, 1869) -- valid -- 'Nelson's' Juniper Hairstreak
  Callophrys gryneus plicataria K. Johnson, 1976 -- valid
  Callophrys gryneus rosneri K. Johnson, 1976 -- valid
  Callophrys gryneus siva (W. H. Edwards, 1874) -- valid -- 'Siva' Juniper Hairstreak
  Callophrys gryneus smilacis (Boisduval and Le Conte, 1835) -- valid
  Callophrys gryneus sweadneri (F. Chermock, 1945) -- valid -- 'Sweadner's' Juniper Hairstreak
  Callophrys gryneus thornei (J. Brown, 1983) -- invalid -- 'Thorne's' Juniper Hairstreak
  Callophrys henrici (Grote and Robinson, 1867) -- valid -- Henry's Elfin
  Callophrys henrici henrici (Grote and Robinson, 1867) -- valid
  Callophrys henrici margaretae (dos Passos, 1943) -- valid
  Callophrys henrici solatus (Cook and F. Watson, 1909) -- valid
  Callophrys henrici turneri (Clench, 1943) -- valid
  Callophrys henrici viridissima (Pavulaan, 1998) -- valid
  Callophrys henrici yahwehus (Gatrelle, 1999) -- valid
  Callophrys hesseli (Rawson and Ziegler, 1950) -- valid -- Hessel's Hairstreak
  Callophrys hesseli angulata (Gatrelle, 2001) -- valid
  Callophrys hesseli hesseli (Rawson and Ziegler, 1950) -- valid
  Callophrys irus (Godart, 1824) -- valid -- Frosted Elfin
  Callophrys irus arsace (Boisduval and Le Conte, 1835) -- valid
  Callophrys irus hadros (Cook and F. Watson, 1907) -- valid
  Callophrys irus irus (Godart, 1824) -- valid
  Callophrys johnsoni (Skinner, 1904) -- valid -- Johnson's Hairstreak
  Callophrys lanoraieensis (Sheppard, 1934) -- valid -- Bog Elfin
  Callophrys mcfarlandi P. Ehrlich and Clench, 1960 -- valid -- Sandia Hairstreak
  Callophrys mossii (Hy. Edwards, 1881) -- valid -- Moss' Elfin
  Callophrys mossii bayensis R. Brown, 1969 -- valid -- San Bruno elfin Butterfly
  Callophrys mossii doudoroffi (dos Passos, 1940) -- valid
  Callophrys mossii hidakupa (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Callophrys mossii marinensis (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Callophrys mossii mossii (Hy. Edwards, 1881) -- valid
  Callophrys mossii schryveri (Cross, 1937) -- valid
  Callophrys mossii windi (Clench, 1943) -- valid
  Callophrys muiri (Hy. Edwards, 1881) -- valid
  Callophrys niphon (Hübner, 1819) -- valid -- Eastern Pine Elfin
  Callophrys niphon clarki (T. Freeman, 1938) -- valid -- pine elfin
  Callophrys niphon niphon (Hübner, 1819) -- valid
  Callophrys perplexa W. Barnes and Benjamin, 1923 -- valid
  Callophrys perplexa oregonensis Gorelick, 1970 -- valid
  Callophrys perplexa perplexa W. Barnes and Benjamin, 1923 -- valid
  Callophrys perplexa superperplexa J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Callophrys polios (Cook and F. Watson, 1907) -- valid -- Hoary Elfin
  Callophrys polios maritima (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Callophrys polios obscurus (Ferris and M. Fisher, 1973) -- valid
  Callophrys polios polios (Cook and Watson, 1907) -- valid
  Callophrys sheridanii (W. H. Edwards, 1877) -- valid -- Sheridan's Hairstreak
  Callophrys sheridanii comstocki Henne, 1940 -- valid -- 'Desert' Sheridan's Hairstreak
  Callophrys sheridanii interrupta Austin in T. Emmel, 1998 -- valid
  Callophrys sheridanii lemberti Tilden, 1963 -- valid -- 'Alpine' Sheridan's Hairstreak
  Callophrys sheridanii neoperplexa W. Barnes and Benjamin, 1923 -- valid
  Callophrys sheridanii newcomeri Clench, 1963 -- valid
  Callophrys sheridanii paradoxa Scott, 1986 -- valid
  Callophrys sheridanii pseudodumetorum J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Callophrys sheridanii sacramento Scott, 2006 -- valid
  Callophrys sheridanii sheridanii (W. H. Edwards, 1877) -- valid -- 'White-lined' Sheridan's Hairstreak
  Callophrys spinetorum (Hewitson, 1867) -- valid -- Thicket Hairstreak
  Callophrys spinetorum millerorum Clench, 1981 -- valid
  Callophrys spinetorum spinetorum (Hewitson, 1867) -- valid
  Callophrys thornei (J. Brown, 1983) -- valid
  Callophrys xami (Reakirt, 1867) -- valid -- Xami Hairstreak
  Callophrys xami texami Clench, 1981 -- valid
  Callophrys xami xami (Reakirt, 1867) -- valid
  Calpodes Hübner, 1819 -- valid
  Calpodes ethlius (Stoll, 1782) -- valid -- Brazilian Skipper, larger canna leafroller
  Calpodini A. Clark, 1948 -- valid
  Calycopis Scudder, 1876 -- valid
  Calycopis cecrops (Fabricius, 1793) -- valid -- Red-banded Hairstreak
  Calycopis isobeon (Butler and H. Druce, 1872) -- valid -- Dusky-blue Groundstreak
  Carcharodini Verity, 1940 -- valid
  Carcharodus radiatus Plötz, 1884 -- invalid
  Caria Hübner, 1823 -- valid
  Caria ino (Godman and Salvin, 1886) -- valid -- Red-bordered Metalmark
  Caria ino melicerta Schaus, 1890 -- valid
  Carrhenes Godman and Salvin, 1895 -- valid
  Carrhenes canescens (R. Felder, 1869) -- valid -- Hoary Skipper
  Carrhenes canescens canescens (R. Felder, 1869) -- valid
  Carterocephalus Lederer, 1852 -- valid
  Carterocephalus mackenziei Wyatt, 1965 -- invalid
  Carterocephalus palaemon (Pallas, 1771) -- valid -- Arctic Skipper, Arctic skipper, echiquier
  Carterocephalus palaemon magnus Mattoon and Tilden in T. Emmel, 1998 -- valid
  Carterocephalus palaemon mandan (W. H. Edwards, 1863) -- valid
  Carterocephalus palaemon mesapano (Scudder, 1868) -- valid
  Carterocephalus palaemon skada (W. H. Edwards, 1870) -- valid
  Carystus micylla Burmeister, 1878 -- invalid
  Catasticta Butler, 1870 -- valid
  Catasticta nimbice (Boisduval, 1836) -- valid -- Mexican Dartwhite
  Catasticta nimbice nimbice (Boisduval, 1836) -- valid
  Catia Godman, 1900 -- invalid
  Catonephelini d'Almeida, 1932 -- valid
  Cecrops Hübner, 1818 -- invalid
  Cecrops festus Geyer, 1837 -- invalid
  Cecropterus Herrich-Schäffer, 1869 -- invalid
  Celaenorrhinini Swinhoe, 1912 -- valid
  Celaenorrhinus Hübner, 1819 -- valid
  Celaenorrhinus fritzgaertneri (Bailey, 1880) -- valid -- Fritzgaertner's Flat
  Celaenorrhinus stallingsi H. Freeman, 1946 -- valid -- Stallings' Flat
  Celaenorrhinus variegatus Godman and Salvin, 1894 -- invalid
  Celastrina Tutt, 1906 -- valid
  Celastrina argiolus (Linnaeus, 1758) -- valid -- azur printanier, spring azure
  Celastrina echo (W. H. Edwards, 1864) -- valid
  Celastrina echo cinerea (W. H. Edwards, 1883) -- valid
  Celastrina echo echo (W. H. Edwards, 1864) -- valid
  Celastrina echo nigrescens (J. Fletcher, 1903) -- valid
  Celastrina echo sidara (Clench, 1944) -- valid
  Celastrina humulus Scott and D. Wright, 1998 -- valid
  Celastrina idella D. Wright and Pavulaan, 1999 -- valid
  Celastrina ladon (Cramer, 1780) -- valid -- Spring Azure
  Celastrina ladon argentata (Fletcher, 1903) -- invalid -- 'Manitoba' Spring Azure
  Celastrina ladon humulus Scott and D. Wright, 1998 -- invalid -- 'Hops' Spring Azure
  Celastrina ladon idella D. Wright and Pavulaan, 1999 -- invalid -- 'Atlantic' Spring Azure
  Celastrina ladon ladon (Cramer, 1780) -- invalid -- 'Spring' Spring Azure
  Celastrina ladon neglecta (W. H. Edwards, 1862) -- invalid -- 'Summer' Spring Azure
  Celastrina ladon violacea (W. H. Edwards, 1866) -- invalid -- 'Edward's' Spring Azure
  Celastrina lucia (W. Kirby, 1837) -- valid
  Celastrina lucia lucia (W. Kirby, 1837) -- valid
  Celastrina lucia lumarco Scott, 2006 -- valid
  Celastrina neglecta (W. H. Edwards, 1862) -- valid
  Celastrina neglectamajor Opler and Krizek, 1984 -- valid -- Appalachian Azure
  Celastrina nigra (W. Forbes, 1960) -- valid -- Dusky Azure
  Celastrina serotina Pavulaan and D. Wright, 2005 -- valid
  Celotes Godman and Salvin, 1899 -- valid
  Celotes limpia Burns, 1974 -- valid -- Scarce Streaky-Skipper
  Celotes nessus (W. H. Edwards, 1877) -- valid -- Common Streaky-Skipper
  Cephise procerus (Plötz, 1880) -- valid
  Cercyonis Scudder, 1875 -- valid
  Cercyonis meadii (W. H. Edwards, 1872) -- valid -- Mead's Wood-Nymph
  Cercyonis meadii alamosa T. Emmel and J. Emmel, 1969 -- valid
  Cercyonis meadii damei W. Barnes and Benjamin, 1926 -- valid
  Cercyonis meadii meadii (W. H. Edwards, 1872) -- valid
  Cercyonis meadii melania (Wind, 1946) -- valid
  Cercyonis oetus (Boisduval, 1869) -- valid -- Small Wood-Nymph
  Cercyonis oetus alkalorum Austin in T. Emmel, 1998 -- valid
  Cercyonis oetus charon (W. H. Edwards, 1872) -- valid
  Cercyonis oetus oetus (Boisduval, 1869) -- valid
  Cercyonis oetus pallescens T. Emmel and J. Emmel, 1971 -- valid
  Cercyonis oetus phocus (W. H. Edwards, 1874) -- valid
  Cercyonis pegala (Fabricius, 1775) -- valid -- Common Wood-Nymph
  Cercyonis pegala alope (Fabricius, 1793) -- valid
  Cercyonis pegala ariane (Boisduval, 1852) -- valid
  Cercyonis pegala boopis (Behr, 1864) -- valid
  Cercyonis pegala carsonensis Austin, 1992 -- valid
  Cercyonis pegala gabbii (W. H. Edwards, 1870) -- valid
  Cercyonis pegala incana (W. H. Edwards, 1880) -- valid
  Cercyonis pegala ino G. Hall, 1924 -- valid
  Cercyonis pegala nephele (W. Kirby, 1837) -- valid
  Cercyonis pegala olympus (W. H. Edwards, 1880) -- valid
  Cercyonis pegala paludum Austin, 1992 -- valid
  Cercyonis pegala paucilineatus Austin, 1992 -- valid
  Cercyonis pegala pegala (Fabricius, 1775) -- valid
  Cercyonis pegala pluvialis Austin, 1992 -- valid
  Cercyonis pegala stephensi (W. G. Wright, 1905) -- valid
  Cercyonis pegala texana (W. H. Edwards, 1880) -- valid
  Cercyonis pegala utahensis Austin, 1992 -- valid
  Cercyonis pegala walkerensis Austin, 1992 -- valid
  Cercyonis pegala wheeleri (W. H. Edwards, 1873) -- valid
  Cercyonis sthenele (Boisduval, 1852) -- valid -- Great Basin Wood-Nymph
  Cercyonis sthenele behrii F. Grinnell, 1905 -- valid
  Cercyonis sthenele hypoleuca Hawks and J. Emmel, 1998 -- valid
  Cercyonis sthenele masoni Cross, 1937 -- valid
  Cercyonis sthenele paulus (W. H. Edwards, 1879) -- valid
  Cercyonis sthenele silvestris (W. H. Edwards, 1861) -- valid
  Cercyonis sthenele sineocellata Austin and J. Emmel in T. Emmel, 1998 -- valid
  Cercyonis sthenele sthenele (Boisduval, 1852) -- valid
  Chapra marcus Strand, 1909 -- invalid
  Charaxinae Guenée, 1865 -- valid -- Leafwings
  Chioides Lindsey, 1921 -- valid
  Chioides albofasciatus (Hewitson, 1867) -- valid
  Chioides catillus (Cramer, 1780) -- valid -- White-striped Longtail
  Chioides zilpa (Butler, 1872) -- valid -- Zilpa Longtail
  Chioides zilpa namba Evans, 1952 -- invalid
  Chioides zilpa zilpa (Butler, 1872) -- invalid
  Chiomara Godman and Salvin, 1899 -- valid
  Chiomara asychis (Stoll in Cramer, 1780) -- valid -- White-patched Skipper
  Chiomara dilucida (Möschler, 1876) -- invalid
  Chiomara georgina (Reakirt, 1868) -- valid
  Chiomara georgina georgina (Reakirt, 1868) -- valid
  Chiomara georgina pelagica (Weeks, 1891) -- valid
  Chiomara mithrax (Möschler, 1879) -- valid -- Slaty Skipper
  Chlorostrymon Clench, 1961 -- valid
  Chlorostrymon maesites (Herrich-Schäffer, 1864) -- valid -- Amethyst Hairstreak
  Chlorostrymon simaethis (Drury, 1773) -- valid -- Silver-banded Hairstreak
  Chlorostrymon simaethis sarita (Skinner, 1895) -- valid
  Chlorostrymon simaethis simaethis (Drury, 1773) -- valid
  Chlorostrymon telea (Hewitson, 1868) -- valid -- Telea Hairstreak
  Chlosyne Butler, 1870 -- valid
  Chlosyne acastus (W. H. Edwards, 1874) -- valid -- Sagebrush Checkerspot
  Chlosyne acastus acastus (W. H. Edwards, 1874) -- valid
  Chlosyne acastus arkanyon M. Fisher and Scott, 2006 -- valid
  Chlosyne acastus dorothyi Bauer, 1975 -- valid
  Chlosyne acastus neumoegeni (Skinner, 1895) -- valid
  Chlosyne acastus robusta Austin in T. Emmel, 1998 -- valid
  Chlosyne acastus sabina (W. G. Wright, 1905) -- valid
  Chlosyne acastus sterope (W. H. Edwards, 1870) -- valid
  Chlosyne acastus vallismortis (J. Johnson, 1938) -- valid
  Chlosyne acastus waucoba J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Chlosyne californica (W. G. Wright, 1905) -- valid -- California Patch
  Chlosyne chinatiensis (Tinkham, 1944) -- invalid -- Chinati Checkerspot
  Chlosyne cyneas (Godman and Salvin, 1878) -- valid -- Black Checkerspot
  Chlosyne damoetas (Skinner, 1902) -- valid
  Chlosyne damoetas altalus Scott, 1998 -- valid
  Chlosyne damoetas damoetas (Skinner, 1902) -- valid
  Chlosyne damoetas windriver Scott, 1998 -- valid
  Chlosyne definita (E. Aaron, 1885) -- valid -- Definite Patch
  Chlosyne definita anastasia (Hemming, 1934) -- valid
  Chlosyne definita definita (E. Aaron, 1885) -- valid
  Chlosyne ehrenbergii (Geyer, 1833) -- valid
  Chlosyne endeis (Godman and Salvin, 1894) -- valid -- Banded Patch
  Chlosyne endeis pardelina Scott, 1986 -- valid
  Chlosyne erodyle (H. W. Bates, 1864) -- valid
  Chlosyne eumeda (Godman and Salvin, 1894) -- valid
  Chlosyne fulvia (W. H. Edwards, 1879) -- valid -- Fulvia Checkerspot
  Chlosyne fulvia coronado (M. Smith and Brock, 1988) -- valid
  Chlosyne fulvia fulvia (W. H. Edwards, 1879) -- valid
  Chlosyne fulvia pariaensis (M. Smith and Brock, 1988) -- valid
  Chlosyne gabbii (Behr, 1863) -- valid -- Gabb's Checkerspot
  Chlosyne gabbii atrifasciata Hawks and J. Emmel, 1998 -- valid
  Chlosyne gabbii gabbii (Behr, 1863) -- valid
  Chlosyne gorgone (Hübner, 1810) -- valid -- Gorgone Checkerspot
  Chlosyne gorgone carlota (Reakirt, 1866) -- valid
  Chlosyne gorgone gorgone (Hübner, 1810) -- valid
  Chlosyne harrisii (Scudder, 1863) -- valid -- Harris' Checkerspot
  Chlosyne harrisii albimontana (Avinoff, 1930) -- valid
  Chlosyne harrisii hanhami (J. Fletcher, 1903) -- valid
  Chlosyne harrisii harrisii (Scudder, 1863) -- valid
  Chlosyne harrisii liggetti (Avinoff, 1930) -- valid
  Chlosyne hoffmanni (Behr, 1863) -- valid -- Hoffmann's Checkerspot
  Chlosyne hoffmanni hoffmanni (Behr, 1863) -- valid
  Chlosyne hoffmanni manchada Bauer, 1960 -- valid
  Chlosyne hoffmanni segregata (W. Barnes and McDunnough, 1918) -- valid
  Chlosyne janais (Drury, 1782) -- valid -- Crimson Patch
  Chlosyne janais janais (Drury, 1782) -- valid
  Chlosyne lacinia (Geyer, 1837) -- valid -- Bordered Patch
  Chlosyne lacinia adjutrix Scudder, 1875 -- valid
  Chlosyne lacinia crocale (W. H. Edwards, 1874) -- valid
  Chlosyne leanira (C. Felder and R. Felder, 1860) -- valid -- Leanira Checkerspot
  Chlosyne leanira alma (Strecker, 1878) -- valid
  Chlosyne leanira basinensis (Austin and M. Smith in T. Emmel, 1998) -- valid
  Chlosyne leanira elegans (Priestaf and J. Emmel, 1998) -- valid
  Chlosyne leanira flavodorsalis (Austin and M. Smith in T. Emmel, 1998) -- valid
  Chlosyne leanira leanira (C. Felder and R. Felder, 1860) -- valid
  Chlosyne leanira nebularum (Austin and M. Smith in T. Emmel, 1998) -- valid
  Chlosyne leanira obsoleta (Hy. Edwards, 1877) -- valid
  Chlosyne leanira oregonensis Bauer, 1975 -- valid
  Chlosyne leanira wrighti (W. H. Edwards, 1886) -- valid
  Chlosyne marina (Geyer, 1837) -- valid -- Red-spotted Patch
  Chlosyne melitaeoides (C. Felder and R. Felder, 1867) -- valid
  Chlosyne nycteis (E. Doubleday, 1847) -- valid -- Silvery Checkerspot
  Chlosyne nycteis drusius (W. H. Edwards, 1884) -- valid
  Chlosyne nycteis nycteis (E. Doubleday, 1847) -- valid
  Chlosyne nycteis pastoron Pelham, 2008 -- valid
  Chlosyne nycteis reversa (F. Chermock and R. Chermock, 1940) -- valid
  Chlosyne palla (Boisduval, 1852) -- valid -- Northern Checkerspot
  Chlosyne palla altasierra J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Chlosyne palla australomontana J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Chlosyne palla blackmorei Pelham, 2008 -- valid
  Chlosyne palla calydon (W. Holland, 1931) -- valid
  Chlosyne palla eremita (W. G. Wright, 1905) -- valid
  Chlosyne palla flavula (W. Barnes and McDunnough, 1918) -- valid
  Chlosyne palla palla (Boisduval, 1852) -- valid
  Chlosyne rosita A. Hall, 1924 -- valid -- Rosita Patch
  Chlosyne rosita browni Bauer, 1961 -- valid
  Chlosyne rosita montana A. Hall, 1924 -- valid
  Chlosyne theona (Ménétriés, 1855) -- valid -- Theona Checkerspot
  Chlosyne theona bolli (W. H. Edwards, 1877) -- valid
  Chlosyne theona chinatiensis (Tinkham, 1944) -- valid
  Chlosyne theona thekla (W. H. Edwards, 1870) -- valid
  Chlosyne whitneyi (Behr, 1863) -- valid -- Rockslide Checkerspot
  Choranthus haitensis (Skinner, 1920) -- valid
  Choranthus radians (Lucas, 1857) -- valid
  Choranthus vitellius (Fabricius, 1793) -- valid
  Chrysobia Boisduval, 1869 -- invalid
  Cobalus asella Herrich-Schäffer, 1869 -- invalid
  Cobalus deleta Herrich-Schäffer, 1869 -- invalid
  Cobalus grossula Herrich-Schäffer, 1869 -- invalid
  Cocceius Godman and Salvin, 1894 -- invalid
  Cocceius syloson Mabille, 1903 -- invalid
  Codatractus Lindsey, 1921 -- valid
  Codatractus alcaeus (Hewitson, 1867) -- valid -- White-crescent Longtail
  Codatractus alcaeus alcaeus (Hewitson, 1867) -- valid
  Codatractus arizonensis (Skinner, 1905) -- valid -- Arizona Skipper
  Codatractus melon (Godman and Salvin, 1893) -- valid
  Codatractus valeriana (Plötz, 1881) -- valid
  Coeini Scudder, 1893 -- valid
  Coenonympha Hübner, 1819 -- valid -- ringlets
  Coenonympha haydenii (W. H. Edwards, 1872) -- valid -- Hayden's Ringlet
  Coenonympha inornata W. H. Edwards, 1861 -- invalid -- inornate ringlet, satyre fauve
  Coenonympha inornata mcisaaci dos Passos, 1935 -- invalid -- mcisaac's ringlet
  Coenonympha tullia (Müller, 1764) -- valid -- Common Ringlet
  Coenonympha tullia ampelos W. H. Edwards, 1871 -- valid -- 'Northwest' Common Ringlet
  Coenonympha tullia benjamini McDunnough, 1928 -- valid
  Coenonympha tullia california Westwood, 1851 -- valid -- 'California' Common Ringlet
  Coenonympha tullia columbiana McDunnough, 1928 -- valid
  Coenonympha tullia elko W. H. Edwards, 1881 -- valid
  Coenonympha tullia eryngii Hy. Edwards, 1877 -- valid
  Coenonympha tullia eunomia Dornfeld, 1967 -- valid
  Coenonympha tullia furcae W. Barnes and Benjamin, 1926 -- valid
  Coenonympha tullia inornata W. H. Edwards, 1861 -- valid -- 'Inornate' Common Ringlet
  Coenonympha tullia insulanus McDunnough, 1928 -- valid
  Coenonympha tullia kodiak W. H. Edwards, 1869 -- valid
  Coenonympha tullia mackenziei Davenport, 1936 -- valid
  Coenonympha tullia mcisaaci dos Passos, 1935 -- valid
  Coenonympha tullia mixturata Alphéraky, 1897 -- valid
  Coenonympha tullia mono Burdick, 1942 -- valid
  Coenonympha tullia nipisiquit McDunnough, 1939 -- valid -- 'Salt Marsh' Common Ringlet
  Coenonympha tullia ochracea W. H. Edwards, 1861 -- valid -- 'Ochre' Common Ringlet
  Coenonympha tullia pseudobrenda Austin and R. Gray, 1998 -- valid
  Coenonympha tullia subfusca W. Barnes and Benjamin, 1926 -- valid
  Coenonympha tullia yontocket Porter and Mattoon, 1989 -- valid
  Coenonympha tullia yukonensis W. Holland, 1900 -- valid
  Coenonymphina Tutt, 1896 -- valid
  Cogia Butler, 1870 -- valid
  Cogia caicus (Herrich-Schäffer, 1869) -- valid -- Gold-costa Skipper
  Cogia caicus caicus (Herrich-Schäffer, 1869) -- valid
  Cogia caicus moschus (W. H. Edwards, 1882) -- valid
  Cogia calchas (Herrich-Schäffer, 1869) -- valid -- Mimosa Skipper
  Cogia hippalus (W. H. Edwards, 1882) -- valid -- Acacia Skipper
  Cogia hippalus hippalus (W. H. Edwards, 1882) -- valid
  Cogia outis (Skinner, 1894) -- valid -- Outis Skipper
  Coliadinae Swainson, 1821 -- valid -- Sulphurs
  Colias [Fabricius], 1807 -- valid
  Colias alexandra W. H. Edwards, 1863 -- valid -- Queen Alexandra's Sulphur
  Colias alexandra alexandra W. H. Edwards, 1863 -- valid
  Colias alexandra altamont Kondla and Kohler, 2006 -- valid
  Colias alexandra altiplano M. Fisher and Scott, 2006 -- valid
  Colias alexandra apache Ferris, 1988 -- valid
  Colias alexandra astraea W. H. Edwards, 1872 -- valid
  Colias alexandra columbiensis Ferris, 1973 -- valid
  Colias alexandra edwardsii W. H. Edwards, 1870 -- valid
  Colias alexandra harfordii Hy. Edwards, 1877 -- invalid -- 'Harford's' Queen Alexandra's Sulphur
  Colias alexandra krauthii Klots, 1935 -- invalid
  Colias alexandra pseudocolumbiensis C. Guppy and J. Shepard, 2001 -- valid
  Colias behrii W. H. Edwards, 1866 -- valid -- Sierra Sulphur
  Colias canadensis Ferris, 1982 -- valid -- Canadian Sulphur
  Colias cesonia (Stoll, 1790) -- invalid -- Southern Dogface
  Colias christina W. H. Edwards, 1863 -- valid -- Christina's Sulphur
  Colias christina christina W. H. Edwards, 1863 -- valid
  Colias christina kluanensis Ferris, 1981 -- valid
  Colias christina krauthii Klots, 1935 -- valid
  Colias christina pseudochristina Ferris, 1989 -- valid
  Colias christina sacajawea Kohler, 2006 -- valid
  Colias christina sullivani Hammond and McCorkle, 2003 -- valid
  Colias eurydice Boisduval, 1855 -- invalid -- California Dogface
  Colias eurytheme Boisduval, 1852 -- valid -- alfalfa caterpillar, coliade de la luzerne, Orange Sulphur
  Colias gigantea Strecker, 1900 -- valid -- Giant Sulphur
  Colias gigantea gigantea Strecker, 1900 -- valid
  Colias gigantea harroweri Klots, 1940 -- valid
  Colias gigantea mayi F. Chermock and R. Chermock, 1940 -- valid
  Colias harfordii Hy. Edwards, 1877 -- valid
  Colias hecla Lefèbvre, 1836 -- valid -- Arctic sulphur, Hecla Sulphur
  Colias hecla aquilonaris Grum-Grshimailo, 1900 -- valid
  Colias hecla hecla Lefèbvre, 1836 -- valid
  Colias hecla hela Strecker, 1880 -- valid
  Colias interior Scudder, 1862 -- valid -- coliade intérieure, pink edged sulphur, Pink-edged Sulphur, pinkedged sulphur
  Colias johanseni Troubridge and Philip, 1990 -- valid -- Coppermine Sulphur
  Colias meadii W. H. Edwards, 1871 -- valid -- Mead's Sulphur
  Colias meadii elis Strecker, 1885 -- valid
  Colias meadii lemhiensis N. Curtis and Ferris, 1985 -- valid
  Colias meadii meadii W. H. Edwards, 1871 -- valid
  Colias nastes Boisduval, 1832 -- valid -- Labrador Sulphur, nastes sulphur
  Colias nastes aliaska O. Bang-Haas, 1927 -- valid
  Colias nastes dezhnevi Korshunov, 1995 -- valid
  Colias nastes ferrisi Verhulst, 2004 -- valid
  Colias nastes moina Strecker, 1880 -- valid
  Colias nastes nastes Boisduval, 1832 -- valid
  Colias nastes streckeri Grum-Grshimailo, 1895 -- valid
  Colias nastes thula Hovanitz, 1955 -- invalid
  Colias occidentalis Scudder, 1862 -- valid -- Western Sulphur
  Colias occidentalis chrysomelas Hy. Edwards, 1877 -- valid
  Colias occidentalis occidentalis Scudder, 1862 -- valid
  Colias occidentalis pseudochristina Ferris, 1989 -- invalid
  Colias palaeno (Linnaeus, 1761) -- valid -- Palaeno Sulphur
  Colias palaeno baffinensis Ebner and Ferris, 1978 -- valid
  Colias palaeno chippewa W. H. Edwards, 1870 -- valid -- palaeno sulphur
  Colias palaeno palaeno (Linnaeus, 1761) -- valid
  Colias pelidne Boisduval and Le Conte, 1830 -- valid -- Pelidne Sulphur
  Colias pelidne pelidne Boisduval and Le Conte, 1830 -- valid
  Colias pelidne skinneri W. Barnes, 1897 -- valid
  Colias philodice Godart, 1819 -- valid -- Clouded Sulphur, clouded sulphur, coliade du trèfle
  Colias philodice eriphyle W. H. Edwards, 1876 -- valid
  Colias philodice philodice Godart, 1819 -- valid
  Colias philodice vitabunda Hovanitz, 1943 -- valid
  Colias scudderi Reakirt, 1865 -- invalid -- Scudder's Sulphur
  Colias scudderii Reakirt, 1865 -- valid
  Colias tyche (Böber, 1812) -- valid
  Colias tyche boothii J. Curtis, 1835 -- valid
  Colias tyche olga Churkin, Grieshuber, Bogdanov and Zamolodchikov, 2001 -- valid
  Colias tyche thula Hovanitz, 1955 -- valid
  Conga Evans, 1955 -- valid
  Conga chydaea (Butler, 1877) -- valid -- Hidden-ray Skipper
  Copaeodes Speyer, 1877 -- valid
  Copaeodes aurantiaca (Hewitson, 1868) -- valid
  Copaeodes aurantiacus (Hewitson, 1868) -- invalid -- Orange Skipperling
  Copaeodes candida W. G. Wright, 1890 -- invalid
  Copaeodes minima (W. H. Edwards, 1870) -- valid
  Copaeodes minimus (W. H. Edwards, 1870) -- invalid -- Southern Skipperling
  Copaeodes myrtis W. H. Edwards, 1882 -- invalid
  Copaeodes rayata W. Barnes and McDunnough, 1913 -- invalid
  Copaeodes wrightii W. H. Edwards, 1882 -- invalid
  Cordillana Hayward, 1941 -- invalid
  Corticea Evans, 1955 -- valid
  Corticea corticea (Plötz, 1882) -- valid -- Redundant Skipper
  Cupido Schrank, 1801 -- valid
  Cupido (Everes) Hübner, 1819 -- valid
  Cupido amyntula (Boisduval, 1852) -- valid
  Cupido amyntula albrighti (Clench, 1944) -- valid
  Cupido amyntula amyntula (Boisduval, 1852) -- valid
  Cupido amyntula herri (F. Grinnell, 1901) -- valid
  Cupido amyntula maritima (Leblanc, 1985) -- valid
  Cupido amyntula montanorum (Austin in T. Emmel, 1998) -- valid
  Cupido amyntula nesiotes (J. Emmel and T. Emmel in T. Emmel, 1998) -- valid
  Cupido amyntula valeriae (Clench, 1944) -- valid
  Cupido comyntas (Godart, 1824) -- valid
  Cupido comyntas comyntas (Godart, 1824) -- valid
  Cupido comyntas sissona (W. G. Wright, 1905) -- valid
  Cupido comyntas texana (F. Chermock, 1945) -- valid
  Cyanophrys Clench, 1961 -- valid
  Cyanophrys amyntor (Cramer, 1775) -- valid
  Cyanophrys goodsoni (Clench, 1946) -- valid -- Goodson's Greenstreak
  Cyanophrys herodotus (Fabricius, 1793) -- valid -- Tropical Greenstreak
  Cyanophrys miserabilis (Clench, 1946) -- valid -- Clench's Greenstreak
  Cyclargus Nabokov, 1945 -- valid
  Cyclargus ammon (Lucas, 1857) -- valid
  Cyclargus thomasi (Clench, 1941) -- valid
  Cyclargus thomasi bethunebakeri (W. Comstock and Huntington, 1943) -- valid
  Cyclopides skada W. H. Edwards, 1870 -- invalid
  Cyclopides skada W. H. Edwards, 1871 -- invalid
  Cyllopsis R. Felder, 1869 -- valid
  Cyllopsis gemma (Hübner, 1809) -- valid -- Gemmed Satyr
  Cyllopsis gemma freemani (D. Stallings and Turner, 1947) -- valid
  Cyllopsis gemma gemma (Hübner, 1809) -- valid
  Cyllopsis pertepida (Dyar, 1912) -- valid -- Canyonland Satyr
  Cyllopsis pertepida avicula (Nabokov, 1942) -- valid
  Cyllopsis pertepida dorothea (Nabokov, 1942) -- valid
  Cyllopsis pertepida maniola (Nabokov, 1942) -- valid
  Cyllopsis pyracmon (Butler, 1867) -- valid -- Nabokov's Satyr
  Cyllopsis pyracmon henshawi (W. H. Edwards, 1876) -- valid -- 'Henshaw's' Nabokov's Satyr
  Cyllopsis pyracmon pyracmon (Butler, 1867) -- valid -- 'Nabokov's' Nabokov's Satyr
  Cymaenes Scudder, 1872 -- valid
  Cymaenes odilia (Burmeister, 1878) -- valid -- Fawn-spotted Skipper
  Cymaenes trebius (Mabille, 1891) -- valid
  Cymaenes tripunctus (Herrich-Schäffer, 1865) -- valid -- Three-spotted Skipper
  Cymaenes tripunctus tripunctus (Herrich-Schäffer, 1865) -- valid
  Cyrestidini -- invalid
  Cyrestinae Guenée, 1865 -- valid
  Danaidae -- invalid -- milkweed butterflies
  Danaina Boisduval, 1833 -- valid
  Danainae Boisduval, 1833 -- valid -- Monarchs
  Danaini Boisduval, 1833 -- valid
  Danaus Kluk, 1780 -- valid
  Danaus (Anosia) Hübner, 1816 -- valid
  Danaus (Danaus) Kluk, 1780 -- valid
  Danaus eresimus (Cramer, 1777) -- valid -- Soldier
  Danaus eresimus montezuma Talbot, 1943 -- valid
  Danaus eresimus tethys W. Forbes, 1944 -- valid
  Danaus gilippus (Cramer, 1775) -- valid -- Queen
  Danaus gilippus berenice (Cramer, 1779) -- valid
  Danaus gilippus thersippus (H. Bates, 1863) -- valid
  Danaus plexippus (Linnaeus, 1758) -- valid -- Monarch, monarch butterfly, monarque
  Danaus plexippus plexippus (Linnaeus, 1758) -- valid
  Debis creola Skinner, 1897 -- invalid
  Decinea Evans, 1955 -- valid
  Decinea huasteca (H. Freeman, 1969) -- valid
  Decinea percosius (Godman, 1900) -- valid -- Double-dotted Skipper
  Dicranaspis Mabille, 1878 -- invalid
  Dione Hübner, 1819 -- valid
  Dione moneta Hübner, 1825 -- valid -- Mexican Silverspot
  Dione moneta poeyi Butler, 1873 -- valid
  Dircenna E. Doubleday, 1847 -- valid
  Dircenna klugii (Geyer, 1837) -- valid -- Klug's Clearwing
  Dircennina d'Almeida, 1941 -- valid
  Dircennini -- invalid
  Dismorphiinae Schatz, 1886 -- valid -- Mimic-Whites
  Doxocopa Hübner, 1819 -- valid
  Doxocopa laure (Drury, 1773) -- valid -- Silver Emperor
  Doxocopa laure laure (Drury, 1773) -- valid
  Doxocopa pavon (Latreille, 1809) -- valid -- Pavon Emperor
  Doxocopa pavon theodora (Lucas, 1857) -- valid
  Dryadula Michener, 1942 -- valid
  Dryadula phaetusa (Linnaeus, 1758) -- valid -- Banded Orange Heliconian
  Dryas Hübner, 1807 -- valid
  Dryas iulia (Fabricius, 1775) -- valid -- Julia Heliconian
  Dryas iulia largo Clench, 1975 -- valid
  Dryas iulia moderata (N. Riley, 1926) -- valid
  Dymasia Higgins, 1960 -- valid
  Dymasia dymas (W. H. Edwards, 1877) -- valid -- Tiny Checkerspot
  Dymasia dymas chara (W. H. Edwards, 1884) -- valid
  Dymasia dymas dymas (W. H. Edwards, 1877) -- valid
  Dymasia dymas imperialis (Bauer, 1959) -- valid
  Dynamine Hübner, 1819 -- valid
  Dynamine dyonis Geyer, 1837 -- valid -- Blue-eyed Sailor
  Dynamine mylitta (Cramer, 1779) -- invalid
  Dynamine postverta (Cramer, 1779) -- valid
  Dynamine postverta mexicana d'Almeida, 1952 -- valid
  Dynamine tithia (Hübner, 1823) -- valid
  Dyscophellus euribates (Stoll, 1782) -- valid
  Dysenius Scudder, 1872 -- invalid
  Dysenius cruentus Scudder, 1872 -- invalid
  Eantis Boisduval, 1836 -- valid
  Eantis peruvianus Mabille and Boullet, 1917 -- valid
  Eantis tamenund (W. H. Edwards, 1871) -- valid
  Eantis thraso (Hübner, 1807) -- valid
  Echinargus Nabokov, 1945 -- valid
  Echinargus isola (Reakirt, 1867) -- valid
  Electrostrymon Clench, 1961 -- valid
  Electrostrymon angelia (Hewitson, 1874) -- valid -- Fulvous Hairstreak
  Electrostrymon angelia angelia (Hewitson, 1874) -- valid
  Electrostrymon canus (H. H. Druce, 1907) -- invalid -- Muted Hairstreak
  Electrostrymon hugon (Godart, 1824) -- valid
  Electrostrymon joya (Dognin, 1895) -- valid
  Electrostrymon sangala (Hewitson, 1868) -- invalid -- Ruddy Hairstreak
  Elymniini Herrich-Schäffer, 1864 -- valid
  Emesiini Stichel, 1911 -- valid
  Emesis [Fabricius], 1807 -- valid
  Emesis ares (W. H. Edwards, 1882) -- valid -- Ares Metalmark
  Emesis emesia (Hewitson, 1867) -- valid -- Curve-winged Metalmark
  Emesis tenedia C. Felder and R. Felder, 1861 -- valid -- Falcate Metalmark
  Emesis zela Butler, 1870 -- valid -- Zela Metalmark
  Emesis zela cleis (W. H. Edwards, 1882) -- valid
  Enantia Hübner, 1819 -- valid
  Enantia albania (H. Bates, 1864) -- valid -- Costa-spotted Mimic-White
  Enantia albania albania (H. Bates, 1864) -- valid
  Enodia anthedon A. Clark, 1936 -- invalid -- Northern Pearly-eye
  Enodia creola (Skinner, 1897) -- invalid -- Creole Pearly-eye
  Enodia portlandia (Fabricius, 1781) -- invalid -- Southern Pearly-eye
  Enodia portlandia anthedon A. Clark, 1936 -- invalid
  Enodia portlandia borealis A. Clark, 1936 -- invalid
  Epargyreus Hübner, 1819 -- valid
  Epargyreus argentosus Hayward, 1933 -- invalid
  Epargyreus arsaces Mabille, 1903 -- invalid
  Epargyreus clarus (Cramer, 1775) -- valid -- hespérie à taches argentées, Silver-spotted Skipper, silverspotted skipper
  Epargyreus clarus californicus MacNeill in Howe, 1975 -- valid
  Epargyreus clarus clarus (Cramer, 1775) -- valid
  Epargyreus clarus huachuca Dixon, 1955 -- valid
  Epargyreus clarus profugus Austin in T. Emmel, 1998 -- valid
  Epargyreus euthymides Mabille and Boullet, 1912 -- invalid
  Epargyreus exadeus (Cramer, 1779) -- valid -- Broken Silverdrop
  Epargyreus exadeus cruza Evans, 1952 -- valid
  Epargyreus obliteratus Scudder, 1889 -- invalid
  Epargyreus smythi R. Williams, 1927 -- invalid
  Epargyreus zestos (Geyer, 1832) -- valid -- Zestos Skipper
  Epargyreus zestos zestos (Geyer, 1832) -- valid
  Ephyriades Hübner, 1819 -- valid
  Ephyriades brunnea (Herrich-Schäffer, 1865) -- valid
  Ephyriades brunnea floridensis E. Bell and W. Comstock, 1948 -- valid
  Ephyriades brunneus (Herrich-Schäffer, 1865) -- invalid -- Florida Duskywing
  Ephyriades brunneus floridensis E. Bell and W. Comstock, 1948 -- invalid
  Epiphelini Jenkins, 1987 -- valid
  Epiphile E. Doubleday, 1845 -- valid
  Epiphile adrasta Hewitson, 1861 -- valid -- Common Banner
  Epiphile adrasta adrasta Hewitson, 1861 -- valid
  Epiphyes Dyar, 1905 -- invalid
  Erebia Dalman, 1816 -- valid
  Erebia callias W. H. Edwards, 1871 -- valid -- Colorado Alpine
  Erebia callias callias W. H. Edwards, 1871 -- valid
  Erebia dabanensis Ershov, 1871 -- valid -- Four-dotted Alpine
  Erebia disa (Thunberg, 1791) -- valid -- Disa Alpine
  Erebia disa steckeri W. Holland, 1930 -- valid
  Erebia disa subarctica McDunnough, 1937 -- valid
  Erebia discoidalis (W. Kirby, 1837) -- valid -- Red-disked Alpine
  Erebia discoidalis discoidalis (W. Kirby, 1837) -- valid
  Erebia epipsodea Butler, 1868 -- valid -- Common Alpine
  Erebia epipsodea brucei Elwes, 1889 -- valid
  Erebia epipsodea epipsodea Butler, 1868 -- valid
  Erebia epipsodea remingtoni P. Ehrlich, 1952 -- valid
  Erebia epipsodea sineocellata Skinner, 1889 -- valid
  Erebia fasciata Butler, 1868 -- valid -- Banded Alpine
  Erebia fasciata avinoffi W. Holland, 1930 -- valid
  Erebia fasciata fasciata Butler, 1868 -- valid
  Erebia kozhantshikovi Sheljuzhko, 1925 -- valid -- Reddish Alpine
  Erebia lafontainei Troubridge and Philip, 1983 -- valid
  Erebia mackinleyensis Gunder, 1932 -- valid
  Erebia magdalena Strecker, 1880 -- valid -- Magdalena Alpine
  Erebia magdalena magdalena Strecker, 1880 -- valid
  Erebia magdalena saxicola Hilchie, 1990 -- valid
  Erebia mancinus E. Doubleday, 1849 -- valid -- Taiga Alpine
  Erebia occulta Roos and Kimmich, 1983 -- valid -- Eskimo Alpine
  Erebia occulta occulta Roos and Kimmich, 1983 -- valid
  Erebia pawloskii Ménétriés, 1859 -- valid
  Erebia pawloskii alaskensis W. Holland, 1900 -- valid
  Erebia pawloskii canadensis B. Warren, 1931 -- valid
  Erebia pawloskii demmia B. Warren, 1936 -- valid
  Erebia pawloskii ethela W. H. Edwards, 1891 -- valid
  Erebia pawlowskii Ménétriés, 1859 -- invalid
  Erebia pawlowskii alaskensis W. Holland, 1900 -- invalid
  Erebia pawlowskii canadensis B. Warren, 1931 -- invalid
  Erebia pawlowskii demmia B. Warren, 1936 -- invalid
  Erebia pawlowskii ethela W. H. Edwards, 1891 -- invalid
  Erebia rossii (J. Curtis, 1835) -- valid -- Ross' Alpine
  Erebia rossii gabrieli dos Passos, 1949 -- valid
  Erebia rossii kuskoquima W. Holland, 1931 -- valid
  Erebia rossii ornata Leussler, 1935 -- valid
  Erebia rossii rossii (J. Curtis, 1835) -- valid
  Erebia theano (Tauscher, 1809) -- valid -- Theano Alpine
  Erebia vidleri Elwes, 1898 -- valid -- Vidler's Alpine
  Erebia youngi W. Holland, 1900 -- valid
  Erebia youngi herscheli Leussler, 1935 -- valid
  Erebia youngi rileyi dos Passos, 1947 -- valid
  Erebia youngi youngi W. Holland, 1900 -- valid
  Erebiina Tutt, 1896 -- valid
  Eridamus Burmeister, 1875 -- invalid
  Erionota Mabille, 1878 -- valid
  Erionota thrax (Linnaeus, 1767) -- valid -- Banana Skipper
  Erionota thrax thrax (Linnaeus, 1767) -- valid
  Erionota torus Evans, 1941 -- valid
  Erora Scudder, 1872 -- valid
  Erora laeta (W. H. Edwards, 1862) -- valid -- Early Hairstreak
  Erora quaderna (Hewitson, 1868) -- valid -- Arizona Hairstreak
  Erora quaderna sanfordi dos Passos, 1940 -- valid
  Erycides albicilla Herrich-Schäffer, 1869 -- invalid
  Erycides araxes Hewitson, 1867 -- invalid
  Erycides arizonensis Skinner, 1911 -- invalid
  Erycides sanguinea Scudder, 1872 -- invalid
  Erycides socius Butler and H. Druce, 1872 -- invalid
  Erycides texana Scudder, 1872 -- invalid
  Erynnides Burns, 1964 -- invalid
  Erynnini Brues and F. Carpenter, 1932 -- valid
  Erynnis Schrank, 1801 -- valid
  Erynnis afranius (Lintner, 1878) -- valid -- Afranius Duskywing
  Erynnis baptisiae (W. Forbes, 1936) -- valid -- Wild Indigo Duskywing
  Erynnis brizo (Boisduval and Le Conte, 1837) -- valid -- Sleepy Duskywing
  Erynnis brizo brizo (Boisduval and Le Conte, 1837) -- valid
  Erynnis brizo burgessi (Skinner, 1914) -- valid
  Erynnis brizo lacustra (W. G. Wright, 1905) -- valid
  Erynnis brizo somnus (Lintner, 1881) -- valid
  Erynnis cervantes (Graslin, 1836) -- invalid
  Erynnis funeralis (Scudder and Burgess, 1870) -- valid -- Funereal Duskywing
  Erynnis horatius (Scudder and Burgess, 1870) -- valid -- Horace's Duskywing
  Erynnis icelus (Scudder and Burgess, 1870) -- valid -- Dreamy Duskywing
  Erynnis juvenalis (Fabricius, 1793) -- valid -- Juvenal's Duskywing
  Erynnis juvenalis clitus (W. H. Edwards, 1883) -- valid -- 'Arizona' Juvenal's Duskywing
  Erynnis juvenalis juvenalis (Fabricius, 1793) -- valid
  Erynnis lucilius (Scudder and Burgess, 1870) -- valid -- Columbine Duskywing
  Erynnis martialis (Scudder, 1870) -- valid -- Mottled Duskywing
  Erynnis meridianus E. Bell, 1927 -- valid -- Meridian Duskywing
  Erynnis meridianus meridianus E. Bell, 1927 -- valid
  Erynnis ogdenensis W. Holland, 1931 -- invalid
  Erynnis pacuvius (Lintner, 1878) -- valid -- Pacuvius Duskywing
  Erynnis pacuvius callidus (F. Grinnell, 1904) -- valid
  Erynnis pacuvius lilius (Dyar, 1904) -- valid
  Erynnis pacuvius pacuvius (Lintner, 1878) -- valid
  Erynnis pacuvius perniger (F. Grinnell, 1905) -- invalid
  Erynnis pacuvius pernigra (F. Grinnell, 1905) -- valid
  Erynnis persius (Scudder, 1863) -- valid -- Persius Duskywing
  Erynnis persius avinoffi (W. Holland, 1930) -- valid
  Erynnis persius borealis (M. Cary, 1906) -- valid
  Erynnis persius fredericki H. Freeman, 1943 -- valid
  Erynnis persius persius (Scudder, 1863) -- valid
  Erynnis propertius (Scudder and Burgess, 1870) -- valid -- Propertius Duskywing
  Erynnis quaiapen Scudder, 1889 -- invalid
  Erynnis scudderi (Skinner, 1914) -- valid -- Scudder's Duskywing
  Erynnis telemachus Burns, 1960 -- valid -- Rocky Mountain Duskywing
  Erynnis tristis (Boisduval, 1852) -- valid -- Mournful Duskywing
  Erynnis tristis tatius (W. H. Edwards, 1883) -- valid
  Erynnis tristis tristis (Boisduval, 1852) -- valid
  Erynnis zarucco (Lucas, 1857) -- valid -- Zarucco Duskywing
  Eubagini Burmeister, 1878 -- valid
  Euchloe Hübner, 1819 -- valid
  Euchloe ausonides (Lucas, 1852) -- valid -- Large Marble
  Euchloe ausonides ausonides (Lucas, 1852) -- valid
  Euchloe ausonides coloradensis (Hy. Edwards, 1881) -- valid
  Euchloe ausonides insulanus C. Guppy and J. Shepard, 2001 -- valid
  Euchloe ausonides mayi F. Chermock and R. Chermock, 1940 -- valid
  Euchloe ausonides ogilvia Back, 1991 -- valid
  Euchloe ausonides palaeoreios K. Johnson, 1976 -- valid
  Euchloe ausonides transmontana Austin and J. Emmel in T. Emmel, 1998 -- valid
  Euchloe creusa (E. Doubleday, 1847) -- valid -- Northern Marble
  Euchloe creusa creusa (E. Doubleday, 1847) -- valid
  Euchloe guaymasensis Opler, 1987 -- valid -- Sonoran Marble
  Euchloe hyantis (W. H. Edwards, 1871) -- valid -- Pearly Marble
  Euchloe hyantis andrewsi Martin, 1958 -- valid
  Euchloe hyantis hyantis (W. H. Edwards, 1871) -- valid -- 'California' Pearly Marble
  Euchloe hyantis lotta Beutenmüller, 1898 -- invalid -- 'Desert' Pearly Marble
  Euchloe lotta Beutenmüller, 1898 -- valid
  Euchloe naina Kozhanchikov, 1923 -- valid -- Green Marble
  Euchloe naina jakutia Back, 1991 -- valid
  Euchloe olympia (W. H. Edwards, 1871) -- valid -- Olympia Marble
  Eudaminae Mabille, 1877 -- valid
  Eudamus Swainson, 1831 -- invalid
  Eudamus aemilea Skinner, 1893 -- invalid
  Eudamus amisus Hewitson, 1867 -- invalid
  Eudamus anacreon Plötz, 1881 -- invalid
  Eudamus ananius Plötz, 1881 -- invalid
  Eudamus atletes C. Felder and R. Felder, 1862 -- invalid
  Eudamus calenus Mabille, 1888 -- invalid
  Eudamus coyote Skinner, 1892 -- invalid
  Eudamus decurtata Herrich-Schäffer, 1869 -- invalid
  Eudamus electra Lintner, 1881 -- invalid
  Eudamus epigena Butler, 1870 -- invalid
  Eudamus eurycles (Latreille, 1824) -- invalid
  Eudamus immaculata Skinner, 1911 -- invalid
  Eudamus interruptus R. Williams, 1926 -- invalid
  Eudamus leucites Mabille, 1888 -- invalid
  Eudamus misitra Plötz, 1881 -- invalid
  Eudamus oberon Worthington, 1881 -- invalid
  Eudamus olynthus Boisduval and Le Conte, 1837 -- invalid
  Eudamus panthius Herrich-Schäffer, 1869 -- invalid
  Eudamus protillus Herrich-Schäffer, 1869 -- invalid
  Eudamus rauterbergi Skinner, 1895 -- invalid
  Eudamus scheba Plötz, 1881 -- invalid
  Eudamus trinitad Lucas, 1857 -- invalid
  Eudamus valeriana Plötz, 1881 -- invalid
  Eueides Hübner, 1816 -- valid
  Eueides isabella (Stoll, 1781) -- valid -- Isabella's Heliconian
  Eueides isabella eva (Fabricius, 1793) -- valid
  Eumaeina E. Doubleday, 1847 -- valid
  Eumaeini E. Doubleday, 1847 -- valid
  Eumaeus Hübner, 1819 -- valid
  Eumaeus atala (Poey, 1832) -- valid -- Atala
  Eumaeus toxea (Godart, 1824) -- valid -- Mexican Cycadian
  Eunica Hübner, 1819 -- valid
  Eunica monima (Stoll, 1782) -- valid -- Dingy Purplewing
  Eunica tatila (Herrich-Schäffer, 1855) -- valid -- Florida Purplewing
  Eunica tatila tatila (Herrich-Schäffer, 1855) -- valid
  Eunica tatila tatilista Kaye, 1926 -- valid
  Euphilotes Mattoni, 1978 -- valid
  Euphilotes ancilla (W. Barnes and McDunnough, 1918) -- valid
  Euphilotes ancilla ancilla (W. Barnes and McDunnough, 1918) -- valid
  Euphilotes ancilla gilvatunica Austin in T. Emmel, 1998 -- valid
  Euphilotes ancilla giulianii Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes ancilla pseudointermedia Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes ancilla purpura Austin in T. Emmel, 1998 -- valid
  Euphilotes ancilla shieldsi Austin in T. Emmel, 1998 -- valid
  Euphilotes battoides (Behr, 1867) -- valid -- Square-spotted Blue
  Euphilotes battoides allyni (Shields, 1975) -- valid -- 'El Segundo' Square-spotted Blue, El Segundo blue, El Segundo blue Butterfly
  Euphilotes battoides anasazi Scott, 1998 -- valid
  Euphilotes battoides argocyanea Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes battoides battoides (Behr, 1867) -- valid
  Euphilotes battoides baueri (Shields, 1975) -- invalid
  Euphilotes battoides bernardino (W. Barnes and McDunnough, 1916) -- invalid -- 'Bernardino' Square-spotted Blue
  Euphilotes battoides centralis (W. Barnes and McDunnough, 1917) -- invalid
  Euphilotes battoides ellisi (Shields, 1975) -- invalid
  Euphilotes battoides fusimaculata Austin in T. Emmel, 1998 -- valid
  Euphilotes battoides intermedia (W. Barnes and McDunnough, 1917) -- invalid
  Euphilotes battoides mazourka Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes battoides panamintensis Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes battoides vernalis Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes baueri (Shields, 1975) -- valid
  Euphilotes baueri baueri (Shields, 1975) -- valid
  Euphilotes baueri orientis Austin in T. Emmel, 1998 -- valid
  Euphilotes bernardino (W. Barnes and McDunnough, 1916) -- valid
  Euphilotes bernardino bernardino (W. Barnes and McDunnough, 1916) -- valid
  Euphilotes bernardino inyomontana Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes bernardino martini (Mattoni, 1954) -- valid
  Euphilotes bernardino minuta Austin in T. Emmel, 1998 -- valid
  Euphilotes centralis (W. Barnes and McDunnough, 1917) -- valid
  Euphilotes centralis centralis (W. Barnes and McDunnough, 1917) -- valid
  Euphilotes centralis hadrochilus Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes columbiae (Mattoni, 1954) -- valid
  Euphilotes ellisii (Shields, 1975) -- valid
  Euphilotes ellisii avawatz Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes ellisii basinensis Austin in T. Emmel, 1998 -- valid
  Euphilotes ellisii ellisii (Shields, 1975) -- valid
  Euphilotes ellisii euromojavensis Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes enoptes (Boisduval, 1852) -- valid -- Dotted Blue
  Euphilotes enoptes ancilla (W. Barnes and McDunnough, 1918) -- invalid
  Euphilotes enoptes arenacola Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes enoptes aridorum Austin in T. Emmel, 1998 -- valid
  Euphilotes enoptes bayensis (Langston, 1964) -- valid
  Euphilotes enoptes cryptorufes Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes enoptes dammersi (J. A. Comstock and Henne, 1933) -- valid -- 'Dammer's ' Dotted Blue
  Euphilotes enoptes enoptes (Boisduval, 1852) -- valid
  Euphilotes enoptes langstoni (Shields, 1975) -- valid
  Euphilotes enoptes mojave (F. Watson and W. Comstock, 1920) -- invalid -- 'Mojave' Dotted Blue
  Euphilotes enoptes opacapulla Austin in T. Emmel, 1998 -- valid
  Euphilotes enoptes primavera Austin in T. Emmel, 1998 -- valid
  Euphilotes enoptes smithi (Mattoni, 1954) -- valid -- Smith blue, Smith's blue Butterfly
  Euphilotes enoptes tildeni (Langston, 1964) -- valid
  Euphilotes glaucon (W. H. Edwards, 1871) -- valid
  Euphilotes glaucon australoglaucon Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes glaucon comstocki (Shields, 1975) -- valid
  Euphilotes glaucon glaucon (W. H. Edwards, 1871) -- valid
  Euphilotes glaucon intermedia (W. Barnes and McDunnough, 1917) -- valid
  Euphilotes glaucon oregonensis (W. Barnes and McDunnough, 1917) -- valid
  Euphilotes mojave (F. Watson and W. Comstock, 1920) -- valid
  Euphilotes mojave mojave (F. Watson and W. Comstock, 1920) -- valid
  Euphilotes mojave virginensis Austin in T. Emmel, 1998 -- valid
  Euphilotes pallescens (Tilden and Downey, 1955) -- valid
  Euphilotes pallescens arenamontana Austin in T. Emmel, 1998 -- valid
  Euphilotes pallescens calneva J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Euphilotes pallescens confusa Pratt and J. Emmel in T. Emmel, 1998 -- valid
  Euphilotes pallescens elvirae (Mattoni, 1966) -- valid
  Euphilotes pallescens emmeli (Shields, 1975) -- valid
  Euphilotes pallescens mattonii (Shields, 1975) -- valid
  Euphilotes pallescens pallescens (Tilden and Downey, 1955) -- valid
  Euphilotes pallescens ricei Austin in T. Emmel, 1998 -- valid
  Euphilotes rita (W. Barnes and McDunnough, 1916) -- valid -- Rita Blue
  Euphilotes rita coloradensis (Mattoni, 1966) -- valid
  Euphilotes rita pallescens (Tilden and Downey, 1955) -- invalid -- 'Pale' Rita Blue
  Euphilotes rita rita (W. Barnes and McDunnough, 1916) -- valid
  Euphilotes spaldingi (W. Barnes and McDunnough, 1917) -- valid -- Spalding's Blue
  Euphilotes spaldingi pinjuna Scott, 1981 -- valid
  Euphilotes spaldingi spaldingi (W. Barnes and McDunnough, 1917) -- valid
  Euphydryas Scudder, 1872 -- valid
  Euphydryas (Euphydryas) Scudder, 1872 -- valid
  Euphydryas (Hypodryas) Higgins, 1978 -- valid
  Euphydryas anicia (E. Doubleday, 1847) -- valid
  Euphydryas anicia alena W. Barnes and Benjamin, 1926 -- valid
  Euphydryas anicia anicia (E. Doubleday, 1847) -- valid
  Euphydryas anicia bakeri D. Stallings and Turner, 1945 -- valid
  Euphydryas anicia bernadetta Leussler, 1920 -- valid
  Euphydryas anicia brucei (W. H. Edwards, 1888) -- valid
  Euphydryas anicia capella (W. Barnes, 1897) -- valid
  Euphydryas anicia carmentis W. Barnes and Benjamin, 1926 -- valid
  Euphydryas anicia chuskae (Ferris and R. Holland, 1980) -- valid
  Euphydryas anicia cloudcrofti (Ferris and R. Holland, 1980) -- valid
  Euphydryas anicia effi D. Stallings and Turner, 1945 -- valid
  Euphydryas anicia eurytion (Mead, 1875) -- valid
  Euphydryas anicia helvia (Scudder, 1869) -- valid
  Euphydryas anicia hermosa (W. G. Wright, 1905) -- valid
  Euphydryas anicia hopfingeri Gunder, 1934 -- valid
  Euphydryas anicia howlandi D. Stallings and Turner, 1947 -- valid
  Euphydryas anicia macyi Fender and Jewett, 1953 -- valid
  Euphydryas anicia magdalena W. Barnes and McDunnough, 1918 -- valid
  Euphydryas anicia maria (Skinner, 1899) -- valid
  Euphydryas anicia morandi Gunder, 1928 -- valid
  Euphydryas anicia variicolor Baughman and Murphy, 1998 -- valid
  Euphydryas anicia veazieae Fender and Jewett, 1953 -- valid
  Euphydryas anicia wecoeut M. Fisher, Spomer and Scott, 2006 -- valid
  Euphydryas anicia wheeleri (Hy. Edwards, 1881) -- valid
  Euphydryas anicia windi Gunder, 1932 -- valid
  Euphydryas chalcedona (E. Doubleday, 1847) -- valid -- Variable Checkerspot
  Euphydryas chalcedona anicia (E. Doubleday, 1847) -- invalid -- 'Anicia' Variable Checkerspot
  Euphydryas chalcedona chalcedona (E. Doubleday, 1847) -- valid -- 'Chalcedon' Variable Checkerspot
  Euphydryas chalcedona colon (W. H. Edwards, 1881) -- invalid -- 'Snowberry' Variable Checkerspot
  Euphydryas chalcedona corralensis T. Emmel and J. Emmel, 1973 -- valid
  Euphydryas chalcedona dwinellei (Hy. Edwards, 1881) -- valid
  Euphydryas chalcedona hennei Scott, 1981 -- valid
  Euphydryas chalcedona kingstonensis T. Emmel and J. Emmel, 1973 -- valid
  Euphydryas chalcedona klotsi dos Passos, 1938 -- valid
  Euphydryas chalcedona macglashanii (Rivers, 1888) -- valid
  Euphydryas chalcedona olancha (W. G. Wright, 1905) -- valid
  Euphydryas chalcedona sierra (W. G. Wright, 1905) -- valid
  Euphydryas chalcedona trinitina Baughman and Murphy, 1998 -- valid
  Euphydryas colon (W. H. Edwards, 1881) -- valid
  Euphydryas colon colon (W. H. Edwards, 1881) -- valid
  Euphydryas colon nevadensis Bauer, 1975 -- valid
  Euphydryas colon paradoxa McDunnough, 1927 -- valid
  Euphydryas colon sperryi F. Chermock and R. Chermock, 1945 -- valid
  Euphydryas colon svilhae Pelham, 2008 -- valid
  Euphydryas colon wallacensis Gunder, 1928 -- valid
  Euphydryas editha (Boisduval, 1852) -- valid -- Edith's Checkerspot
  Euphydryas editha alebarki Ferris, 1971 -- valid
  Euphydryas editha augustina (W. G. Wright, 1905) -- valid
  Euphydryas editha aurilacus Gunder, 1928 -- valid
  Euphydryas editha baroni (W. H. Edwards, 1879) -- valid
  Euphydryas editha bayensis Sternitzky, 1937 -- invalid -- bay checkerspot Butterfly
  Euphydryas editha beani (Skinner, 1897) -- valid
  Euphydryas editha bingi Baughman and Murphy, 1998 -- valid
  Euphydryas editha colonia (W. G. Wright, 1905) -- valid
  Euphydryas editha editha (Boisduval, 1852) -- valid
  Euphydryas editha edithana (Strand, 1915) -- valid
  Euphydryas editha ehrlichi Baughman and Murphy, 1998 -- valid
  Euphydryas editha gunnisonensis F. Brown, 1971 -- valid
  Euphydryas editha hutchinsi McDunnough, 1928 -- valid
  Euphydryas editha insularis T. Emmel and J. Emmel, 1974 -- valid
  Euphydryas editha karinae Baughman and Murphy, 1998 -- valid
  Euphydryas editha lawrencei Gunder, 1931 -- valid
  Euphydryas editha lehmani Gunder, 1929 -- valid
  Euphydryas editha luestherae Murphy and P. Ehrlich, 1981 -- valid
  Euphydryas editha mattooni Austin and Murphy, 1998 -- valid
  Euphydryas editha monoensis Gunder, 1928 -- valid
  Euphydryas editha montanus McDunnough, 1928 -- valid
  Euphydryas editha nubigena (Behr, 1863) -- valid
  Euphydryas editha owyheensis Austin and Murphy, 1998 -- valid
  Euphydryas editha quino (Behr, 1863) -- valid -- Quino checkerspot Butterfly
  Euphydryas editha remingtoni Burdick, 1959 -- invalid
  Euphydryas editha rubicunda (Hy. Edwards, 1881) -- valid
  Euphydryas editha tahoensis Austin and Murphy, 1998 -- valid
  Euphydryas editha taylori (W. H. Edwards, 1888) -- valid
  Euphydryas editha wrighti Gunder, 1929 -- invalid
  Euphydryas gillettii (W. Barnes, 1897) -- valid -- Gillett's Checkerspot
  Euphydryas phaeton (Drury, 1773) -- valid -- Baltimore Checkerspot
  Euphydryas phaeton ozarkae Masters, 1968 -- valid
  Euphydryas phaeton phaeton (Drury, 1773) -- valid
  Euphydryina Higgins, 1976 -- valid
  Euphyes Scudder, 1872 -- valid
  Euphyes arpa (Boisduval and Le Conte, 1837) -- valid -- Palmetto Skipper
  Euphyes bayensis Shuey, 1989 -- valid -- Bay Skipper
  Euphyes berryi (E. Bell, 1941) -- valid -- Berry's Skipper
  Euphyes bimacula (Grote and Robinson, 1867) -- valid -- Two-spotted Skipper
  Euphyes bimacula arbogasti Gatrelle, 1999 -- valid
  Euphyes bimacula bimacula (Grote and Robinson, 1867) -- valid
  Euphyes bimacula illinois (Dodge, 1872) -- valid
  Euphyes conspicua (W. H. Edwards, 1863) -- valid -- Black Dash
  Euphyes conspicua buchholzi (P. Ehrlich and Gillham, 1951) -- valid
  Euphyes conspicua conspicua (W. H. Edwards, 1863) -- valid
  Euphyes conspicua orono (Scudder, 1872) -- valid
  Euphyes conspicuus (W. H. Edwards, 1863) -- invalid
  Euphyes conspicuus buchholzi (P. Ehrlich and Gillham, 1951) -- invalid
  Euphyes conspicuus conspicuus (W. H. Edwards, 1863) -- invalid
  Euphyes conspicuus orono (Scudder, 1872) -- invalid
  Euphyes dion (W. H. Edwards, 1879) -- valid -- Dion Skipper
  Euphyes dukesi (Lindsey, 1923) -- valid -- Dukes' Skipper
  Euphyes dukesi calhouni Shuey, 1996 -- valid
  Euphyes dukesi dukesi (Lindsey, 1923) -- valid
  Euphyes macguirei H. Freeman, 1975 -- invalid
  Euphyes pilatka (W. H. Edwards, 1867) -- valid -- Palatka Skipper
  Euphyes pilatka klotsi L. Miller, Harvey and J. Miller, 1985 -- valid
  Euphyes pilatka pilatka (W. H. Edwards, 1867) -- valid
  Euphyes vestris (Boisduval, 1852) -- valid -- Dun Skipper
  Euphyes vestris harbisoni J. Brown and McGuire, 1983 -- valid
  Euphyes vestris kiowah (Reakirt, 1866) -- valid
  Euphyes vestris metacomet (T. Harris, 1862) -- valid
  Euphyes vestris vestris (Boisduval, 1852) -- valid
  Euptoieta E. Doubleday, 1848 -- valid
  Euptoieta claudia (Cramer, 1775) -- valid -- Variegated Fritillary
  Euptoieta hegesia (Cramer, 1779) -- valid -- Mexican Fritillary
  Euptoieta hegesia meridiania Stichel, 1938 -- valid
  Euptoietina Simonsen, 2006 -- valid
  Euptychiina Reuter, 1896 -- valid
  Eurema Hübner, 1819 -- valid
  Eurema albula (Cramer, 1775) -- valid -- Ghost Yellow
  Eurema albula celata (R. Felder, 1869) -- valid
  Eurema boisduvaliana (C. Felder and R. Felder, 1865) -- valid -- Boisduval's Yellow
  Eurema daira (Godart, 1819) -- valid -- Barred Yellow
  Eurema daira daira (Godart, 1819) -- valid
  Eurema daira eugenia (Wallengren, 1860) -- valid
  Eurema daira palmira (Poey, 1852) -- valid
  Eurema daira sidonia (R. Felder, 1869) -- valid
  Eurema dina (Poey, 1832) -- invalid -- Dina Yellow
  Eurema lisa (Boisduval and Le Conte, 1830) -- invalid -- Little Yellow
  Eurema messalina (Fabricius, 1787) -- invalid -- Shy Yellow
  Eurema mexicana (Boisduval, 1836) -- valid -- Mexican Yellow
  Eurema mexicana mexicana (Boisduval, 1836) -- valid
  Eurema nicippe (Cramer, 1779) -- invalid -- Sleepy Orange
  Eurema nise (Cramer, 1775) -- invalid -- Mimosa Yellow
  Eurema proterpia (Fabricius, 1775) -- invalid -- Tailed Orange
  Eurema salome (C. Felder and R. Felder, 1861) -- valid -- Salome Yellow
  Eurema salome jamapa (Reakirt, 1866) -- valid
  Eurytelini E. Doubleday, 1845 -- valid
  Eurytides Hübner, 1821 -- valid
  Eurytides (Neographium) Möhn, 2002 -- valid
  Eurytides celadon (Lucas, 1852) -- valid -- Cuban Kite-Swallowtail
  Eurytides marcellus (Cramer, 1777) -- valid -- Zebra Swallowtail
  Eurytides philolaus (Boisduval, 1836) -- valid -- Dark Kite-Swallowtail
  Eurytides philolaus philolaus (Boisduval, 1836) -- valid
  Euthymele Mabille, 1878 -- invalid
  Euthymus Scudder, 1872 -- invalid
  Everes amyntula (Boisduval, 1852) -- invalid -- Western Tailed-Blue
  Everes comyntas (Godart, 1824) -- invalid -- Eastern Tailed-Blue
  Feniseca Grote, 1869 -- valid
  Feniseca tarquinius (Fabricius, 1793) -- valid -- Harvester
  Feniseca tarquinius novascotiae McDunnough, 1935 -- valid
  Feniseca tarquinius tarquinius (Fabricius, 1793) -- valid
  Ganyra Billberg, 1820 -- valid
  Ganyra howarthi (Dixey, 1915) -- valid
  Ganyra howarthii (Dixey, 1915) -- invalid -- Howarth's White
  Ganyra josephina (Godart, 1819) -- valid -- Giant White
  Ganyra josephina josepha (Salvin and Godman, 1868) -- valid
  Gehlota Doherty, 1889 -- invalid
  Gesta Evans, 1953 -- valid
  Gesta bigutta (Prittwitz, 1868) -- invalid
  Gesta gesta (Herrich-Schäffer, 1863) -- valid -- False Duskywing
  Gesta invisus (Butler and H. Druce, 1872) -- valid
  Glaucopsyche Scudder, 1872 -- valid
  Glaucopsyche lygdamus (E. Doubleday, 1841) -- valid -- bleu argenté, silvery blue, Silvery Blue
  Glaucopsyche lygdamus afra (W. H. Edwards, 1884) -- valid
  Glaucopsyche lygdamus arizonensis McDunnough, 1936 -- valid
  Glaucopsyche lygdamus australis F. Grinnell, 1917 -- valid
  Glaucopsyche lygdamus columbia (Skinner, 1917) -- valid
  Glaucopsyche lygdamus couperi Grote, 1873 -- valid -- silvery blue
  Glaucopsyche lygdamus deserticola Austin and J. Emmel in T. Emmel, 1998 -- valid
  Glaucopsyche lygdamus incognitus Tilden, 1974 -- valid
  Glaucopsyche lygdamus jacki D. Stallings and Turner, 1947 -- valid
  Glaucopsyche lygdamus lygdamus (E. Doubleday, 1841) -- valid
  Glaucopsyche lygdamus mildredae F. Chermock, 1945 -- valid
  Glaucopsyche lygdamus minipunctum Austin in T. Emmel, 1998 -- valid
  Glaucopsyche lygdamus orcus (W. H. Edwards, 1869) -- valid
  Glaucopsyche lygdamus oro (Scudder, 1876) -- valid
  Glaucopsyche lygdamus palosverdesensis E. Perkins and J. Emmel, 1977 -- valid -- Palos Verdes blue Butterfly
  Glaucopsyche lygdamus pseudoxerces J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Glaucopsyche lygdamus sabulosa J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Glaucopsyche lygdamus xerces (Boisduval, 1852) -- valid
  Glaucopsyche piasus (Boisduval, 1852) -- valid -- Arrowhead Blue
  Glaucopsyche piasus daunia (W. H. Edwards, 1871) -- valid
  Glaucopsyche piasus excubita J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Glaucopsyche piasus gabrielina J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Glaucopsyche piasus nevada F. Brown, 1975 -- valid
  Glaucopsyche piasus piasus (Boisduval, 1852) -- valid
  Glaucopsyche piasus sagittigera (C. Felder and R. Felder, 1865) -- valid
  Glaucopsyche piasus toxeuma F. Brown, 1971 -- valid
  Glaucopsyche piasus umbrosa J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Glaucopsyche xerces (Boisduval, 1852) -- invalid -- Xerces Blue
  Glutophrissa Butler, 1887 -- valid
  Glutophrissa drusilla (Cramer, 1779) -- valid
  Glutophrissa drusilla neumoegenii (Skinner, 1894) -- valid
  Glutophrissa drusilla tenuis (Lamas, 1981) -- valid
  Godmania Skinner and Ramsden, 1924 -- invalid
  Goniloba coscinia Herrich-Schäffer, 1865 -- invalid
  Goniloba dispersa Herrich-Schäffer, 1869 -- invalid
  Goniloba dolores Reakirt, 1868 -- invalid
  Goniloba parumpunctata Herrich-Schäffer, 1869 -- invalid
  Goniloba sandarac Herrich-Schäffer, 1865 -- invalid
  Goniloba sylvicola Herrich-Schäffer, 1865 -- invalid
  Goniurus Hübner, 1819 -- invalid
  Goniurus brachius Geyer, 1832 -- invalid
  Goniurus cariosa Herrich-Schäffer, 1862 -- invalid
  Goniurus cleopatra (Ehrmann, 1907) -- invalid
  Goniurus corydon Butler, 1870 -- invalid
  Goniurus elongatus Plötz, 1881 -- invalid
  Goniurus kefersteinii Plötz, 1881 -- invalid
  Goniurus larius Plötz, 1881 -- invalid
  Goniurus latipennis Mabille and Boullet, 1891 -- invalid
  Goniurus nicasius Plötz, 1881 -- invalid
  Goniurus pilatus Plötz, 1881 -- invalid
  Goniurus retractus Plötz, 1881 -- invalid
  Goniurus torones Hübner, 1821 -- invalid
  Goniurus velinus Plötz, 1880 -- invalid
  Goniurus zalanthus Plötz, 1881 -- invalid
  Gorgythion Godman and Salvin, 1896 -- valid
  Gorgythion begga (Prittwitz, 1868) -- valid -- Variegated Skipper
  Gorgythion begga pyralina (Möschler, 1877) -- valid
  Gorgythion marginata Schaus, 1902 -- invalid
  Grais Godman and Salvin, 1894 -- valid
  Grais stigmatica (Mabille, 1883) -- invalid -- Hermit Skipper
  Grais stigmaticus (Mabille, 1883) -- valid
  Grais stigmaticus stigmaticus (Mabille, 1883) -- valid
  Gyrocheilus Butler, 1867 -- valid
  Gyrocheilus patrobas (Hewitson, 1862) -- valid -- Red-bordered Satyr
  Gyrocheilus patrobas tritonia (W. H. Edwards, 1874) -- valid
  Habrodais Scudder, 1876 -- valid
  Habrodais grunus (Boisduval, 1852) -- valid -- Golden Hairstreak
  Habrodais grunus grunus (Boisduval, 1852) -- valid
  Habrodais grunus herri W. D. Field, 1938 -- valid
  Habrodais grunus lorquini W. D. Field, 1938 -- valid
  Hamadryas Hübner, 1806 -- valid
  Hamadryas amphichloe (Boisduval, 1870) -- valid -- Pale Cracker
  Hamadryas amphichloe diasia (Fruhstorfer, 1916) -- valid
  Hamadryas amphinome (Linnaeus, 1767) -- valid -- Red Cracker
  Hamadryas amphinome mexicana (Lucas, 1853) -- valid
  Hamadryas atlantis (H. Bates, 1864) -- valid -- Black-patched Cracker
  Hamadryas atlantis lelaps (Godman and Salvin, 1883) -- valid
  Hamadryas februa (Hübner, 1823) -- valid -- Gray Cracker
  Hamadryas februa ferentina (Godart, 1824) -- valid
  Hamadryas feronia (Linnaeus, 1758) -- valid -- Variable Cracker
  Hamadryas feronia farinulenta (Fruhstorfer, 1916) -- valid
  Hamadryas fornax (Hübner, 1823) -- valid
  Hamadryas glauconome (H. Bates, 1864) -- valid -- Glaucous Cracker
  Hamadryas glauconome grisea Jenkins, 1983 -- valid
  Hamadryas guatemalena (H. Bates, 1864) -- valid -- Guatemalan Cracker
  Hamadryas guatemalena marmarice (Fruhstorfer, 1916) -- valid
  Hamadryas iphthime (H. Bates, 1864) -- valid -- Brownish Cracker
  Hamadryas iphthime joannae Jenkins, 1983 -- valid
  Hantana Moore, 1881 -- invalid
  Hedone Scudder, 1872 -- invalid
  Helias brusus Burmeister, 1878 -- invalid
  Helias clericalis (Burmeister, 1878) -- invalid
  Helias ribbei Staudinger, 1876 -- invalid
  Helias tucumana Burmeister, 1878 -- invalid
  Heliconiidae -- invalid -- heliconians
  Heliconiina Swainson, 1822 -- valid
  Heliconiinae Swainson, 1822 -- valid -- Fritillaries, Heliconians
  Heliconiini Swainson, 1822 -- valid
  Heliconius Kluk, 1780 -- valid
  Heliconius charithonia (Linnaeus, 1767) -- valid -- Zebra Heliconian
  Heliconius charithonia tuckeri W. Comstock and F. Brown, 1950 -- valid
  Heliconius charithonia vazquezae W. Comstock and F. Brown, 1950 -- valid
  Heliconius erato (Linnaeus, 1758) -- valid -- Erato Heliconian
  Heliconius erato petiverana (E. Doubleday, 1847) -- valid
  Heliopetes Billberg, 1820 -- valid
  Heliopetes arsalte (Linnaeus, 1758) -- valid -- Veined White-Skipper
  Heliopetes crameri Billberg, 1820 -- invalid
  Heliopetes ericetorum (Boisduval, 1852) -- valid -- Northern White-Skipper
  Heliopetes laviana (Hewitson, 1868) -- valid -- Laviana White-Skipper
  Heliopetes laviana laviana (Hewitson, 1868) -- valid
  Heliopetes macaira (Reakirt, 1867) -- valid -- Turk's-cap White-Skipper
  Heliopetes macaira macaira (Reakirt, 1867) -- valid
  Heliopyrgus Herrera, 1957 -- valid
  Heliopyrgus domicella (Erichson, 1849) -- valid
  Heliopyrgus domicella domicella (Erichson, 1849) -- valid
  Heliopyrgus sublinea (Schaus, 1902) -- valid
  Hemiargus Hübner, 1818 -- valid
  Hemiargus ammon (Lucas, 1857) -- invalid -- Nickerbean Blue
  Hemiargus catalina thomasi Clench, 1941 -- invalid
  Hemiargus ceraunus (Fabricius, 1793) -- valid -- Ceraunus Blue
  Hemiargus ceraunus antibubastus Hübner, 1818 -- valid
  Hemiargus ceraunus astenidas (Lucas, 1857) -- valid
  Hemiargus ceraunus gyas (W. H. Edwards, 1871) -- valid
  Hemiargus isola (Reakirt, 1867) -- invalid -- Reakirt's Blue
  Hemiargus thomasi Clench, 1941 -- invalid -- Miami Blue
  Hemipteris Mabille, 1889 -- invalid
  Hemiteleomorpha B. Warren, 1926 -- invalid
  Heraclides Hübner, 1819 -- invalid
  Hermeuptychia Forster, 1964 -- valid
  Hermeuptychia hermes (Fabricius, 1775) -- valid
  Hermeuptychia sosybius (Fabricius, 1793) -- valid -- Carolina Satyr
  Hesperia Fabricius, 1793 -- valid
  Hesperia acanootus Scudder, 1868 -- invalid
  Hesperia aegialea Plötz, 1883 -- invalid
  Hesperia ahaton T. Harris, 1862 -- invalid
  Hesperia albovittata Grote, 1873 -- invalid
  Hesperia amanda Plötz, 1883 -- invalid
  Hesperia amphissa Plötz, 1883 -- invalid
  Hesperia ares C. Felder, 1863 -- invalid
  Hesperia assiniboia (Lyman, 1892) -- valid
  Hesperia attalus (W. H. Edwards, 1871) -- valid -- Dotted Skipper
  Hesperia attalus attalus (W. H. Edwards, 1871) -- valid
  Hesperia attalus nigrescens Gatrelle, 1999 -- valid
  Hesperia attalus slossonae (Skinner, 1890) -- valid
  Hesperia augustus Plötz, 1883 -- invalid
  Hesperia axius Plötz, 1883 -- invalid
  Hesperia belfragei H. Freeman, 1944 -- invalid
  Hesperia bion Fabricius, 1798 -- invalid
  Hesperia brettus Boisduval and Le Conte, 1837 -- invalid
  Hesperia cernes Boisduval and Le Conte, 1837 -- invalid
  Hesperia chemnis Fabricius, 1793 -- invalid
  Hesperia cinna Plötz, 1882 -- invalid
  Hesperia clara Plötz, 1883 -- invalid
  Hesperia colorado (Scudder, 1874) -- valid
  Hesperia colorado colorado (Scudder, 1874) -- valid
  Hesperia colorado dodgei (E. Bell, 1927) -- valid
  Hesperia colorado harpalus (W. H. Edwards, 1881) -- valid
  Hesperia colorado idaho (W. H. Edwards, 1883) -- valid
  Hesperia colorado leussleri Lindsey, 1940 -- valid
  Hesperia colorado mattoonorum McGuire in T. Emmel, 1998 -- valid
  Hesperia colorado mojavensis Austin and McGuire in T. Emmel, 1998 -- valid
  Hesperia colorado ochracea Lindsey, 1941 -- valid
  Hesperia colorado oregonia (W. H. Edwards, 1883) -- valid
  Hesperia colorado oroplata Scott, 1981 -- valid
  Hesperia colorado susanae L. Miller, 1962 -- valid
  Hesperia colorado tildeni H. Freeman, 1956 -- valid
  Hesperia columbia (Scudder, 1872) -- valid -- Columbian Skipper
  Hesperia combinata Plötz, 1883 -- invalid
  Hesperia comma (Linnaeus, 1758) -- valid -- Common Branded Skipper
  Hesperia comma assiniboia (Lyman, 1892) -- invalid
  Hesperia comma borealis Lindsey, 1942 -- valid -- comma, hespérie boréale, Labrador skipper
  Hesperia comma colorado (Scudder, 1874) -- invalid
  Hesperia comma comma (Linnaeus, 1758) -- valid
  Hesperia comma hulbirti Lindsey, 1939 -- valid
  Hesperia comma laurentina (Lyman, 1892) -- valid
  Hesperia comma manitoba (Scudder, 1874) -- valid
  Hesperia comma mattoonorum McGuire in T. Emmel, 1998 -- invalid
  Hesperia comma mojavensis Austin and McGuire in T. Emmel, 1998 -- invalid
  Hesperia comma oroplata Scott, 1981 -- invalid
  Hesperia comus W. H. Edwards, 1876 -- invalid
  Hesperia dacotae (Skinner, 1911) -- valid -- Dakota Skipper
  Hesperia delaware W. H. Edwards, 1863 -- invalid
  Hesperia emacareus Plötz, 1882 -- invalid
  Hesperia erratica Plötz, 1883 -- invalid
  Hesperia euchera Plötz, 1882 -- invalid
  Hesperia eucherus Plötz, 1882 -- invalid
  Hesperia fasciata B. Warren, 1926 -- invalid
  Hesperia floridensis Plötz, 1883 -- invalid
  Hesperia francisca Plötz, 1883 -- invalid
  Hesperia gila Plötz, 1886 -- invalid
  Hesperia grotei Plötz, 1883 -- invalid
  Hesperia huebneri Plötz, 1883 -- invalid
  Hesperia juba (Scudder, 1874) -- valid -- Juba Skipper
  Hesperia leonardus T. Harris, 1862 -- valid -- Leonard's Skipper
  Hesperia leonardus leonardus T. Harris, 1862 -- valid
  Hesperia leonardus montana (Skinner, 1911) -- valid -- Pawnee Montane Skipper, Pawnee montane Skipper
  Hesperia leonardus pawnee Dodge, 1874 -- valid
  Hesperia lindseyi (W. Holland, 1930) -- valid -- Lindsey's Skipper
  Hesperia lindseyi eldorado J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Hesperia lindseyi lindseyi (W. Holland, 1930) -- valid
  Hesperia lindseyi macneilli J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Hesperia lindseyi mccorklei P. Severns and D. Severns, 2005 -- valid
  Hesperia lindseyi septentrionalis J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Hesperia manataaqua Scudder, 1863 -- invalid
  Hesperia mercatus Fabricius, 1793 -- invalid
  Hesperia mesapano Scudder, 1868 -- invalid
  Hesperia meskei (W. H. Edwards, 1877) -- valid -- Meske's Skipper
  Hesperia meskei meskei (W. H. Edwards, 1877) -- valid
  Hesperia meskei pinocayo Gatrelle and Minno in Gatrelle, Minno and Grkovich, 2003 -- valid
  Hesperia meskei straton (W. H. Edwards, 1881) -- valid
  Hesperia metea Scudder, 1863 -- valid -- Cobweb Skipper
  Hesperia metea intermedia Gatrelle in Gatrelle, Minno and Grkovich, 2003 -- valid
  Hesperia metea licinus (W. H. Edwards, 1871) -- valid
  Hesperia metea metea Scudder, 1863 -- valid
  Hesperia miriamae MacNeill, 1959 -- valid -- Sierra Skipper
  Hesperia miriamae longaevicola McGuire in T. Emmel, 1998 -- valid
  Hesperia miriamae miriamae MacNeill, 1959 -- valid
  Hesperia monoco Scudder, 1863 -- invalid
  Hesperia morganta Plötz, 1883 -- invalid
  Hesperia mutius Plötz, 1883 -- invalid
  Hesperia nemoris W. H. Edwards, 1864 -- invalid
  Hesperia nevada (Scudder, 1874) -- valid -- Nevada Skipper
  Hesperia nevada nevada (Scudder, 1874) -- valid
  Hesperia nevada sierra Austin, J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Hesperia nortonii W. H. Edwards, 1867 -- invalid
  Hesperia norus Plötz, 1882 -- invalid
  Hesperia oneko Scudder, 1863 -- invalid
  Hesperia ophis W. H. Edwards, 1871 -- invalid
  Hesperia osyka W. H. Edwards, 1867 -- invalid
  Hesperia ottoe W. H. Edwards, 1866 -- valid -- Ottoe Skipper
  Hesperia pahaska Leussler, 1938 -- valid -- Pahaska Skipper
  Hesperia pahaska martini MacNeill, 1964 -- valid
  Hesperia pahaska pahaska Leussler, 1938 -- valid
  Hesperia pahaska williamsi Lindsey, 1940 -- valid
  Hesperia palaea Hewitson, 1868 -- invalid
  Hesperia pawnee Dodge, 1874 -- invalid
  Hesperia phocion Fabricius, 1798 -- invalid
  Hesperia phocion Fabricius, 1793 -- invalid
  Hesperia phocylides Plötz, 1882 -- invalid
  Hesperia pocahontas Scudder, 1863 -- invalid
  Hesperia pontiac W. H. Edwards, 1863 -- invalid
  Hesperia punctella Grote and Robinson, 1867 -- invalid
  Hesperia quadaquina Scudder, 1868 -- invalid
  Hesperia ricara W. H. Edwards, 1865 -- invalid
  Hesperia ridingsii Reakirt, 1866 -- invalid
  Hesperia ruricola Boisduval, 1852 -- invalid
  Hesperia salvianus Fabricius, 1793 -- invalid
  Hesperia samoset Scudder, 1863 -- invalid
  Hesperia sassacus T. Harris, 1862 -- valid -- Indian Skipper
  Hesperia sassacus manitoboides (J. Fletcher, 1889) -- valid
  Hesperia sassacus nantahala Gatrelle and Grkovich in Gatrelle, Minno and Grkovich, 2003 -- valid
  Hesperia sassacus sassacus T. Harris, 1862 -- valid
  Hesperia savigny Latreille, 1824 -- invalid
  Hesperia stallingsi H. Freeman, 1944 -- invalid
  Hesperia subreticulata Plötz, 1883 -- invalid
  Hesperia tamenund W. H. Edwards, 1871 -- invalid
  Hesperia tessellata Scudder, 1872 -- invalid
  Hesperia uncas W. H. Edwards, 1863 -- valid -- Uncas Skipper
  Hesperia uncas fulvapalla Austin and McGuire in T. Emmel, 1998 -- valid
  Hesperia uncas giuliani McGuire in T. Emmel, 1998 -- invalid
  Hesperia uncas giulianii McGuire in T. Emmel, 1998 -- valid
  Hesperia uncas grandiosa Austin and McGuire in T. Emmel, 1998 -- valid
  Hesperia uncas lasus (W. H. Edwards, 1884) -- valid
  Hesperia uncas macswaini MacNeill, 1964 -- valid
  Hesperia uncas reeseorum Austin and McGuire in T. Emmel, 1998 -- valid
  Hesperia uncas terraclivosa Austin and McGuire in T. Emmel, 1998 -- valid
  Hesperia uncas uncas W. H. Edwards, 1863 -- valid
  Hesperia unna Plötz, 1883 -- invalid
  Hesperia vetulina Plötz, 1882 -- invalid
  Hesperia viridis (W. H. Edwards, 1883) -- valid -- Green Skipper
  Hesperia waco W. H. Edwards, 1868 -- invalid
  Hesperia wakulla W. H. Edwards, 1869 -- invalid
  Hesperia wamsutta T. Harris, 1862 -- invalid
  Hesperia wimico Plötz, 1882 -- invalid
  Hesperia wingina Scudder, 1863 -- invalid
  Hesperia woodgatei (R. Williams, 1914) -- valid -- Apache Skipper
  Hesperia yosemite Leussler, 1933 -- invalid
  Hesperia yreka W. H. Edwards, 1866 -- invalid
  Hesperia zenckei Plötz, 1883 -- invalid
  Hesperiidae Latreille, 1809 -- valid -- Skippers
  Hesperiinae Latreille, 1809 -- valid -- Grass-Skippers
  Hesperiini Latreille, 1809 -- valid
  Hesperioidea Latreille, 1809 -- valid
  Hesperopsis Dyar, 1905 -- valid
  Hesperopsis alpheus (W. H. Edwards, 1876) -- valid -- Saltbush Sootywing
  Hesperopsis alpheus alpheus (W. H. Edwards, 1876) -- valid -- 'Saltbush' Saltbush Sootywing
  Hesperopsis alpheus gracielae (MacNeill, 1970) -- invalid -- 'MacNeill's' Saltbush Sootywing
  Hesperopsis alpheus oricus (W. H. Edwards, 1879) -- valid
  Hesperopsis alpheus texana Scott, 1981 -- valid
  Hesperopsis alpheus texanus Scott, 1981 -- invalid
  Hesperopsis arizonensis Mabille and Boullet, 1917 -- invalid
  Hesperopsis gracielae (MacNeill, 1970) -- valid
  Hesperopsis libya (Scudder, 1878) -- valid -- Mojave Sootywing
  Hesperopsis libya confertiblanca Scott, 1992 -- valid
  Hesperopsis libya joaquina J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Hesperopsis libya lena (W. H. Edwards, 1882) -- valid
  Hesperopsis libya libya (Scudder, 1878) -- valid
  Heteropia Mabille, 1889 -- invalid
  Heteropterinae Aurivillius, 1925 -- valid -- Skipperlings
  Heteropterini Aurivillius, 1925 -- invalid
  Heteropterus marginatus T. Harris, 1862 -- invalid
  Heteropterus procris W. H. Edwards, 1871 -- invalid
  Hipparchiinae Swainson, 1820 -- invalid
  Historis Hübner, 1819 -- valid
  Historis acheronta (Fabricius, 1775) -- valid -- Tailed Cecropian
  Historis acheronta acheronta (Fabricius, 1775) -- valid
  Historis odius (Fabricius, 1775) -- valid -- Orion Cecropian
  Historis odius dious Lamas, 1995 -- valid
  Historis odius odius (Fabricius, 1775) -- valid
  Holochila blackburni Tuely, 1878 -- invalid
  Hylephila Billberg, 1820 -- valid
  Hylephila pallida Hayward, 1944 -- invalid
  Hylephila phyleus (Drury, 1773) -- valid -- Fiery Skipper
  Hylephila phyleus eureka Austin and J. Emmel in T. Emmel, 1998 -- invalid
  Hylephila phyleus muertovalle Scott, 1981 -- invalid
  Hylephila phyleus phyleus (Drury, 1773) -- valid
  Hypanartia Hübner, 1821 -- valid
  Hypanartia lethe (Fabricius, 1793) -- valid -- Orange Mapwing
  Hypaurotis Scudder, 1876 -- valid
  Hypaurotis crysalus (W. H. Edwards, 1873) -- valid -- Colorado Hairstreak
  Hypaurotis crysalus citima (Hy. Edwards, 1881) -- valid
  Hypaurotis crysalus crysalus (W. H. Edwards, 1873) -- valid
  Hypaurotis crysalus intermedia Austin in T. Emmel, 1998 -- valid
  Hypolimnas Hübner, 1819 -- valid
  Hypolimnas misippus (Linnaeus, 1764) -- valid -- Mimic
  Hypostrymon Clench, 1961 -- valid
  Hypostrymon critola (Hewitson, 1874) -- valid -- Sonoran Hairstreak
  Icaricia Nabokov, 1945 -- invalid
  Icaricia icarioides (Boisduval, 1852) -- invalid
  Incisalia Scudder, 1872 -- invalid
  Itaballia Kaye, 1904 -- valid
  Itaballia demophile (Linnaeus, 1763) -- valid
  Itaballia demophile centralis Joicey and Talbot, 1928 -- valid
  Ithomiinae -- invalid -- Clearwings
  Ithomiini Godman and Salvin, 1879 -- valid
  Itunina Reuter, 1896 -- valid
  Junonia Hübner, 1819 -- valid
  Junonia coenia Hübner, 1822 -- valid -- Common Buckeye
  Junonia coenia coenia Hübner, 1822 -- valid
  Junonia coenia grisea Austin and J. Emmel in T. Emmel, 1998 -- valid
  Junonia evarete (Cramer, 1779) -- valid -- Mangrove Buckeye
  Junonia evarete nigrosuffusa W. Barnes and McDunnough, 1916 -- valid
  Junonia evarete zonalis C. Felder and R. Felder, 1867 -- valid
  Junonia genoveva (Cramer, 1780) -- valid -- Tropical Buckeye
  Junoniini Reuter, 1896 -- valid
  Kricogonia Reakirt, 1864 -- valid
  Kricogonia lyside (Godart, 1819) -- valid -- Lyside Sulphur
  Lampides Hübner, 1819 -- valid
  Lampides boeticus (Linnaeus, 1767) -- valid -- bean butterfly, Pea Blue
  Lasaia H. Bates, 1868 -- valid
  Lasaia maria Clench, 1972 -- valid
  Lasaia maria maria Clench, 1972 -- valid
  Lasaia sula Staudinger, 1888 -- valid -- Blue Metalmark
  Lasaia sula peninsularis Clench, 1972 -- valid
  Leptocircini W. F. Kirby, 1896 -- valid
  Leptophobia Butler, 1870 -- valid
  Leptophobia aripa (Boisduval, 1836) -- valid
  Leptophobia aripa elodia (Boisduval, 1836) -- valid
  Leptotes Scudder, 1876 -- valid
  Leptotes cassius (Cramer, 1775) -- valid -- Cassius Blue
  Leptotes cassius cassidula (Boisduval, 1870) -- valid
  Leptotes cassius theonus (Lucas, 1857) -- valid
  Leptotes marina (Reakirt, 1868) -- valid -- Marine Blue
  Lerema Scudder, 1872 -- valid
  Lerema accius (J. E. Smith, 1797) -- valid -- Clouded Skipper
  Lerema hypozona Dyar, 1918 -- invalid
  Lerema liris Evans, 1955 -- valid -- Liris Skipper
  Lerema pattenii Scudder, 1872 -- invalid
  Lerodea Scudder, 1872 -- valid
  Lerodea arabus (W. H. Edwards, 1882) -- valid -- Violet-clouded Skipper
  Lerodea dysaules Godman, 1900 -- invalid -- Olive-clouded Skipper
  Lerodea eufala (W. H. Edwards, 1869) -- valid -- Eufala Skipper, rice leaffolder
  Lerodea eufala eufala (W. H. Edwards, 1869) -- valid
  Lerodea obscura Lindsey, E. Bell and R. Williams, 1931 -- invalid
  Lerodea sinepuncta Avinoff and Shoumatoff, 1946 -- invalid
  Lerodea tripuncta sinepunctis Avinoff and Shoumatoff, 1946 -- invalid
  Lethe Hübner, 1819 -- valid
  Lethe (Enodia) Hübner, 1819 -- valid
  Lethe (Satyrodes) Scudder, 1875 -- valid
  Lethe anthedon (A. Clark, 1936) -- valid
  Lethe anthedon anthedon (A. Clark, 1936) -- valid
  Lethe anthedon borealis (A. Clark, 1936) -- valid
  Lethe appalachia R. Chermock, 1947 -- valid
  Lethe appalachia appalachia R. Chermock, 1947 -- valid
  Lethe appalachia leeuwi Gatrelle and Arbogast, 1974 -- valid
  Lethe creola (Skinner, 1897) -- valid
  Lethe eurydice (Linnaeus, 1763) -- valid
  Lethe eurydice eurydice (Linnaeus, 1763) -- valid
  Lethe eurydice fumosus (Leussler, 1916) -- valid
  Lethe portlandia (Fabricius, 1781) -- valid
  Lethe portlandia floralae J. Heitzman and dos Passos, 1974 -- valid
  Lethe portlandia missarkae J. Heitzman and dos Passos, 1974 -- valid
  Lethe portlandia portlandia (Fabricius, 1781) -- valid
  Lethina Reuter, 1896 -- valid
  Leucochitonea eulalia Plötz, 1885 -- invalid
  Leucochitonea euphemie Ehrmann, 1907 -- invalid
  Leucochitonea locutia Hewitson, 1875 -- invalid
  Leucochitonea pastor R. Felder, 1869 -- invalid
  Leucoscirtes Scudder, 1872 -- invalid
  Leucoscirtes nivea Scudder, 1872 -- invalid
  Libytheana Michener, 1943 -- valid
  Libytheana carinenta (Cramer, 1777) -- valid -- American Snout
  Libytheana carinenta bachmanii (Kirtland, 1851) -- valid
  Libytheana carinenta larvata (Strecker, 1878) -- valid
  Libytheana carinenta mexicana Michener, 1943 -- valid
  Libytheana carinenta streckeri Austin and J. Emmel in T. Emmel, 1998 -- valid
  Libytheana motya (Hübner, 1823) -- valid
  Libytheidae -- invalid -- snout butterflies
  Libytheinae Boisduval, 1833 -- valid -- Snouts
  Limenitidina Behr, 1864 -- valid
  Limenitidinae Behr, 1864 -- valid -- Admirals
  Limenitidini Behr, 1864 -- valid
  Limenitis [Fabricius], 1807 -- valid
  Limenitis archippus (Cramer, 1775) -- valid -- Viceroy
  Limenitis archippus archippus (Cramer, 1775) -- valid
  Limenitis archippus floridensis Strecker, 1878 -- valid
  Limenitis archippus hoffmanni R. Chermock, 1947 -- valid
  Limenitis archippus idaho Austin in T. Emmel, 1998 -- valid
  Limenitis archippus lahontani Herlan, 1971 -- valid
  Limenitis archippus obsoleta W. H. Edwards, 1882 -- valid
  Limenitis archippus watsoni (dos Passos, 1938) -- valid
  Limenitis arthemis (Drury, 1773) -- valid -- Red-spotted Admiral, white admiral
  Limenitis arthemis arizonensis W. H. Edwards, 1882 -- valid
  Limenitis arthemis arthemis (Drury, 1773) -- valid -- White Admiral
  Limenitis arthemis astyanax (Fabricius, 1775) -- valid -- Red-spotted Purple
  Limenitis arthemis rubrofasciata (W. Barnes and McDunnough, 1916) -- valid
  Limenitis lorquini Boisduval, 1852 -- valid -- Lorquin's Admiral
  Limenitis lorquini burrisoni Maynard, 1891 -- valid
  Limenitis lorquini ilgae C. Guppy, 2001 -- valid
  Limenitis lorquini lorquini Boisduval, 1852 -- valid
  Limenitis lorquini pallidafacies Austin and J. Emmel in T. Emmel, 1998 -- valid
  Limenitis lorquini powelli Austin and J. Emmel in T. Emmel, 1998 -- valid
  Limenitis weidemeyerii W. H. Edwards, 1861 -- valid -- Weidemeyer's Admiral
  Limenitis weidemeyerii angustifascia (W. Barnes and McDunnough, 1912) -- valid
  Limenitis weidemeyerii latifascia S. Perkins and E. Perkins, 1967 -- valid
  Limenitis weidemeyerii nevadae (W. Barnes and Benjamin, 1924) -- valid
  Limenitis weidemeyerii oberfoelli F. Brown, 1960 -- valid
  Limenitis weidemeyerii siennafascia Austin and Mullins, 1984 -- valid
  Limenitis weidemeyerii weidemeyerii W. H. Edwards, 1861 -- valid
  Limochores Scudder, 1872 -- invalid
  Lintneria W. H. Edwards and Butler, 1877 -- invalid
  Lycaeides Hübner, 1819 -- invalid
  Lycaeides idas (Linnaeus, 1761) -- invalid -- Northern Blue
  Lycaeides melissa (W. H. Edwards, 1873) -- invalid -- Melissa Blue
  Lycaeides melissa samuelis Nabokov, 1944 -- invalid -- 'Karner' Melissa Blue, Karner blue Butterfly
  Lycaena [Fabricius], 1807 -- valid
  Lycaena (Chalceria) Scudder, 1876 -- valid
  Lycaena (Epidemia) Scudder, 1876 -- valid
  Lycaena (Hermelycaena) L. Miller and F. Brown, 1979 -- valid
  Lycaena (Lycaena) [Fabricius], 1807 -- valid
  Lycaena (Tharsalea) Scudder, 1876 -- valid
  Lycaena arota (Boisduval, 1852) -- valid -- Tailed Copper
  Lycaena arota arota (Boisduval, 1852) -- valid
  Lycaena arota nubila (J. A. Comstock, 1926) -- valid
  Lycaena arota schellbachi (Tilden, 1955) -- valid
  Lycaena arota virginiensis (W. H. Edwards, 1870) -- valid
  Lycaena cupreus (W. H. Edwards, 1870) -- valid -- Lustrous Copper
  Lycaena cupreus cupreus (W. H. Edwards, 1870) -- valid
  Lycaena cupreus lapidicola J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena cupreus snowi (W. H. Edwards, 1881) -- valid -- 'Snow's' Lustrous Copper
  Lycaena dione (Scudder, 1868) -- valid -- Gray Copper
  Lycaena dorcas W. Kirby, 1837 -- valid -- cuivre de la potentille, Dorcas Copper, dorcas copper
  Lycaena dorcas arcticus (Ferris, 1977) -- valid
  Lycaena dorcas castro (Reakirt, 1866) -- valid
  Lycaena dorcas claytoni A. E. Brower, 1940 -- valid -- 'Maine' Dorcas Copper
  Lycaena dorcas dorcas W. Kirby, 1837 -- valid
  Lycaena dorcas dospassosi McDunnough, 1940 -- invalid -- 'Salt Marsh' Dorcas Copper
  Lycaena dorcas florus (W. H. Edwards, 1884) -- valid
  Lycaena dorcas megaloceras (Ferris, 1977) -- valid
  Lycaena dorcas michuron Scott, 2006 -- valid
  Lycaena dospassosi McDunnough, 1940 -- valid
  Lycaena editha (Mead, 1878) -- valid -- Edith's Copper
  Lycaena editha editha (Mead, 1878) -- valid
  Lycaena editha obscuramaculata Austin, 1989 -- valid
  Lycaena editha pseudonexa J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena editha vurali Koçak, 1984 -- valid
  Lycaena epixanthe (Boisduval and Le Conte, 1835) -- valid -- Bog Copper, bog copper, cuivre des tourbières
  Lycaena epixanthe epixanthe (Boisduval and Le Conte, 1835) -- valid
  Lycaena epixanthe michiganensis Rawson, 1948 -- valid
  Lycaena epixanthe phaedrus (G. Hall, 1924) -- valid -- bog copper
  Lycaena gorgon (Boisduval, 1852) -- valid -- Gorgon Copper
  Lycaena gorgon dorothea J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena gorgon gorgon (Boisduval, 1852) -- valid
  Lycaena gorgon jacquelineae J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena gorgon micropunctata J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena helloides (Boisduval, 1852) -- valid -- Purplish Copper
  Lycaena hermes (W. H. Edwards, 1870) -- valid -- Hermes Copper
  Lycaena heteronea Boisduval, 1852 -- valid -- Blue Copper
  Lycaena heteronea clara Hy. Edwards, 1877 -- valid
  Lycaena heteronea gravenotata Klots, 1930 -- valid
  Lycaena heteronea heteronea Boisduval, 1852 -- valid
  Lycaena heteronea klotsi W. D. Field, 1936 -- valid
  Lycaena heteronea northi J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena heteronea rava Austin in T. Emmel, 1998 -- valid
  Lycaena heteronea rutila Austin in T. Emmel, 1998 -- valid
  Lycaena heteronea submaculata J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena hyllus (Cramer, 1775) -- valid -- Bronze Copper
  Lycaena mariposa (Reakirt, 1866) -- valid -- Mariposa Copper
  Lycaena mariposa charlottensis (W. Holland, 1930) -- valid
  Lycaena mariposa mariposa (Reakirt, 1866) -- valid
  Lycaena mariposa penroseae W. D. Field, 1938 -- valid
  Lycaena melissa W. H. Edwards, 1873 -- invalid
  Lycaena nivalis (Boisduval, 1869) -- valid -- Lilac-bordered Copper
  Lycaena nivalis bichroma J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena nivalis browni dos Passos, 1938 -- valid
  Lycaena nivalis nivalis (Boisduval, 1869) -- valid
  Lycaena nivalis praetexta Austin in T. Emmel, 1998 -- valid
  Lycaena nivalis warnermontana J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena phlaeas (Linnaeus, 1761) -- valid -- American Copper
  Lycaena phlaeas alpestris J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena phlaeas arctodon Ferris, 1974 -- valid
  Lycaena phlaeas arethusa (Dod, 1907) -- valid
  Lycaena phlaeas feildeni (M'Lachlan, 1878) -- valid
  Lycaena phlaeas hypophlaeas (Boisduval, 1852) -- valid
  Lycaena rubidus (Behr, 1866) -- valid -- Ruddy Copper
  Lycaena rubidus duofascies K. Johnson and Balogh, 1977 -- valid
  Lycaena rubidus ferrisi K. Johnson and Balogh, 1977 -- valid -- 'White Mountains' Ruddy Copper
  Lycaena rubidus incana Austin in T. Emmel, 1998 -- valid
  Lycaena rubidus longi K. Johnson and Balogh, 1977 -- valid
  Lycaena rubidus monachensis K. Johnson and Balogh, 1977 -- valid
  Lycaena rubidus perkinsorum K. Johnson and Balogh, 1977 -- valid
  Lycaena rubidus rubidus (Behr, 1866) -- valid
  Lycaena rubidus sirius (W. H. Edwards, 1871) -- valid
  Lycaena xanthoides (Boisduval, 1852) -- valid -- Great Copper
  Lycaena xanthoides nigromaculata J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena xanthoides obsolescens J. Emmel and Pratt in T. Emmel, 1998 -- valid
  Lycaena xanthoides xanthoides (Boisduval, 1852) -- valid
  Lycaenidae [Leach], 1815 -- valid -- blues, coppers, Gossamer-wing Butterflies, gossamer-winged butterflies, hairstreaks, harvesters
  Lycaeninae [Leach], 1815 -- valid -- Coppers
  Lycaenini [Leach], 1815 -- valid
  Lycorea E. Doubleday, 1847 -- valid
  Lycorea cleobaea (Godart, 1819) -- invalid -- Tiger Mimic-Queen
  Lycorea halia (Hübner, 1816) -- valid
  Lycorea halia atergatis E. Doubleday, 1847 -- valid
  Lycorea halia cleobaea (Godart, 1819) -- valid
  Lycorea halia demeter C. Felder and R. Felder, 1865 -- valid
  Lyroptera Plötz, 1881 -- invalid
  Maniolina Verity, 1953 -- valid
  Marpesia Hübner, 1818 -- valid
  Marpesia chiron (Fabricius, 1775) -- valid -- Many-banded Daggerwing
  Marpesia coresia (Godart, 1824) -- invalid -- Waiter Daggerwing
  Marpesia eleuchea Hübner, 1818 -- valid -- Antillean Daggerwing
  Marpesia eleuchea eleuchea Hübner, 1818 -- valid
  Marpesia petreus (Cramer, 1776) -- valid -- Ruddy Daggerwing
  Marpesia petreus petreus (Cramer, 1776) -- valid
  Marpesia zerynthia Hübner, 1823 -- valid
  Marpesia zerynthia dentigera (Fruhstorfer, 1907) -- valid
  Mastor Godman, 1900 -- invalid
  Megathymidae -- invalid -- giant skippers
  Megathyminae J. H. Comstock and A. Comstock, 1895 -- invalid -- Giant-Skippers
  Megathymini J. H. Comstock and A. Comstock, 1895 -- invalid
  Megathymus Scudder, 1872 -- valid
  Megathymus alabamae H. Freeman, 1943 -- invalid
  Megathymus albocincta W. Holland, 1930 -- invalid
  Megathymus arizonae Tinkham, 1954 -- invalid
  Megathymus browni D. Stallings and Turner, 1960 -- invalid
  Megathymus chisosensis H. Freeman, 1952 -- invalid
  Megathymus cofaqui (Strecker, 1876) -- valid -- Cofaqui Giant-Skipper
  Megathymus cofaqui cofaqui (Strecker, 1876) -- valid
  Megathymus cofaqui slotteni Gatrelle, 1999 -- valid
  Megathymus coloradensis albasuffusa R. Wielgus and D. Wielgus, 1974 -- invalid
  Megathymus drucei Skinner, 1911 -- invalid
  Megathymus elidaensis D. Stallings, Turner and V. Stallings, 1966 -- invalid
  Megathymus harrisi H. Freeman, 1955 -- invalid
  Megathymus kendalli H. Freeman, 1965 -- invalid
  Megathymus louiseae H. Freeman, 1963 -- invalid
  Megathymus maculosus H. Freeman, 1955 -- invalid
  Megathymus martini D. Stallings and Turner, 1956 -- invalid
  Megathymus maudae D. Stallings, Turner and V. Stallings, 1966 -- invalid
  Megathymus navajo Skinner, 1911 -- invalid
  Megathymus reinthali H. Freeman, 1963 -- invalid
  Megathymus reubeni D. Stallings, Turner and V. Stallings, 1963 -- invalid
  Megathymus stallingsi H. Freeman, 1943 -- invalid
  Megathymus streckeri (Skinner, 1895) -- valid -- Strecker's Giant-Skipper
  Megathymus streckeri leussleri W. Holland, 1931 -- valid
  Megathymus streckeri streckeri (Skinner, 1895) -- valid
  Megathymus streckeri texana W. Barnes and McDunnough, 1912 -- valid
  Megathymus streckeri texanus W. Barnes and McDunnough, 1912 -- invalid
  Megathymus ursus Poling, 1902 -- valid -- Ursine Giant-Skipper
  Megathymus ursus deserti R. Wielgus, J. Wielgus and D. Wielgus, 1972 -- valid
  Megathymus ursus ursus Poling, 1902 -- valid
  Megathymus ursus violae D. Stallings and Turner, 1956 -- valid
  Megathymus wilsonorum D. Stallings and Turner, 1958 -- invalid
  Megathymus winkensis H. Freeman, 1965 -- invalid
  Megathymus yuccae (Boisduval and Le Conte, 1837) -- valid -- Yucca Giant-Skipper
  Megathymus yuccae buchholzi H. Freeman, 1952 -- invalid
  Megathymus yuccae coloradensis C. Riley, 1878 -- valid
  Megathymus yuccae harbisoni J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Megathymus yuccae louiseae H. Freeman, 1963 -- valid
  Megathymus yuccae martini D. Stallings and Turner, 1956 -- valid
  Megathymus yuccae navajo Skinner, 1911 -- valid
  Megathymus yuccae reinthali H. Freeman, 1963 -- valid
  Megathymus yuccae reubeni D. Stallings, Turner and V. Stallings, 1963 -- valid
  Megathymus yuccae wilsonorum D. Stallings and Turner, 1958 -- valid
  Megathymus yuccae yuccae (Boisduval and Le Conte, 1837) -- valid
  Megistias Godman, 1900 -- invalid
  Megistias isus (Godman, 1900) -- invalid
  Megistias jamaca Schaus, 1902 -- invalid
  Megisto Hübner, 1819 -- valid
  Megisto cymela (Cramer, 1777) -- valid -- Little Wood-Satyr
  Megisto cymela cymela (Cramer, 1777) -- valid
  Megisto cymela viola (Maynard, 1891) -- valid
  Megisto rubricata (W. H. Edwards, 1871) -- valid -- Red Satyr
  Megisto rubricata cheneyorum (R. Chermock, 1949) -- valid
  Megisto rubricata rubricata (W. H. Edwards, 1871) -- valid
  Megisto rubricata smithorum (Wind, 1946) -- valid
  Melanis Hübner, 1819 -- valid
  Melanis pixe (Boisduval, 1836) -- valid -- Red-bordered Pixie
  Melanis pixe pixe (Boisduval, 1836) -- valid
  Melanthes Mabille, 1903 -- invalid
  Melete Swainson, 1831 -- valid
  Melete lycimnia (Cramer, 1777) -- valid
  Melete lycimnia isandra (Boisduval, 1836) -- valid
  Melitaea augusta W. H. Edwards, 1890 -- invalid
  Melitaeini Newman, 1870 -- valid
  Memphis Hübner, 1819 -- valid
  Memphis echemus (E. Doubleday, 1849) -- valid
  Memphis echemus echemus (E. Doubleday, 1849) -- valid
  Memphis glycerium (E. Doubleday, 1849) -- valid
  Memphis glycerium glycerium (E. Doubleday, 1849) -- valid
  Memphis pithyusa (R. Felder, 1869) -- valid
  Memphis pithyusa pithyusa (R. Felder, 1869) -- valid
  Mestra Hübner, 1825 -- valid
  Mestra amymone (Ménétriés, 1857) -- valid -- Common Mestra
  Mestra cana (Erichson, 1849) -- invalid
  Mestra dorcas Fabricius, 1775 -- valid
  Mestra dorcas hersilia (Fabricius, 1776) -- valid
  Microtia H. Bates, 1864 -- valid
  Microtia elva H. Bates, 1864 -- valid -- Elf
  Microtia elva elva H. Bates, 1864 -- valid
  Miletinae Reuter, 1896 -- valid -- Harvesters
  Miletini Reuter, 1896 -- valid
  Ministrymon Clench, 1961 -- valid
  Ministrymon azia (Hewitson, 1873) -- valid -- Gray Ministreak
  Ministrymon clytie (W. H. Edwards, 1877) -- valid -- Clytie Ministreak
  Ministrymon leda (W. H. Edwards, 1882) -- valid -- Leda Ministreak
  Monca Evans, 1955 -- valid
  Monca crispinus (Plötz, 1882) -- valid
  Monca tyrtaeus (Plötz, 1882) -- invalid -- Violet-patched Skipper
  Morphina Newman, 1834 -- valid
  Morphinae Newman, 1834 -- valid -- Morphos
  Morphini Newman, 1834 -- valid
  Morpho [Fabricius], 1807 -- valid
  Morpho peleides Kollar, 1850 -- valid
  Morpho polyphemus Westwood, 1850 -- valid -- White Morpho
  Morpho polyphemus polyphemus Westwood, 1850 -- valid
  Murgaria E. Watson, 1893 -- invalid
  Mylon Godman and Salvin, 1894 -- valid
  Mylon pelopidas (Fabricius, 1793) -- valid
  Myscelia E. Doubleday, 1845 -- valid
  Myscelia cyananthe (C. Felder and R. Felder, 1867) -- valid -- Blackened Bluewing
  Myscelia cyananthe skinneri Mengel, 1894 -- valid
  Myscelia ethusa (Doyère, 1840) -- valid -- Mexican Bluewing
  Myscelia ethusa ethusa (Doyère, 1840) -- valid
  Narga Mabille, 1891 -- invalid
  Nastra Evans, 1955 -- valid
  Nastra julia (H. Freeman, 1945) -- valid -- Julia's Skipper
  Nastra lherminier (Latreille, 1824) -- valid -- Swarthy Skipper
  Nastra neamathla (Skinner and R. Williams, 1923) -- valid -- Neamathla Skipper
  Nathalis Boiduval, 1836 -- valid
  Nathalis iole Boisduval, 1836 -- valid -- Dainty Sulphur
  Neadopaea Hayward, 1941 -- invalid
  Nennius W. F. Kirby, 1902 -- invalid
  Neominois Scudder, 1875 -- valid
  Neominois ridingsii (W. H. Edwards, 1865) -- valid -- Ridings' Satyr
  Neominois ridingsii minimus Austin, 1986 -- valid
  Neominois ridingsii neomexicanus Austin, 1986 -- valid
  Neominois ridingsii pallidus Austin, 1986 -- valid
  Neominois ridingsii ridingsii (W. H. Edwards, 1865) -- valid
  Neominois ridingsii stretchii (W. H. Edwards, 1870) -- valid
  Neominois ridingsii wyomingo (Scott, 1998) -- valid
  Neonympha Hübner, 1818 -- valid
  Neonympha areolata (J. E. Smith, 1797) -- invalid -- Georgia Satyr
  Neonympha areolatus (J. E. Smith, 1797) -- valid
  Neonympha helicta (Hübner, 1808) -- valid
  Neonympha helicta dadeensis Gatrelle, 1999 -- valid
  Neonympha helicta helicta (Hübner, 1808) -- valid
  Neonympha helicta septentrionalis W. Davis, 1924 -- valid
  Neonympha mitchellii French, 1889 -- valid -- Mitchell's Satyr
  Neonympha mitchellii francisci Parshall and Kral, 1989 -- valid -- Saint Francis' satyr Butterfly
  Neonympha mitchellii mitchellii French, 1889 -- valid -- Mitchell's satyr Butterfly
  Neophasia Behr, 1869 -- valid
  Neophasia menapia (C. Felder and R. Felder, 1859) -- valid -- Pine White
  Neophasia menapia magnamenapia Austin in T. Emmel, 1998 -- valid
  Neophasia menapia melanica Scott, 1981 -- valid
  Neophasia menapia menapia (C. Felder and R. Felder, 1859) -- valid
  Neophasia menapia tau (Scudder, 1861) -- valid
  Neophasia menapia tehachapina J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Neophasia terlooii Behr, 1869 -- valid
  Neophasia terlootii Behr, 1889 -- invalid -- Chiricahua White
  Nisoniades Hübner, 1819 -- valid
  Nisoniades ausonius Lintner, 1872 -- invalid
  Nisoniades australis Mabille, 1883 -- invalid
  Nisoniades bautista Plötz, 1884 -- invalid
  Nisoniades costalis Westwood, 1852 -- invalid
  Nisoniades ennius Scudder and Burgess, 1870 -- invalid
  Nisoniades hamamaelidis Scudder, 1889 -- invalid
  Nisoniades juvenis Hübner, 1819 -- invalid
  Nisoniades llano Dodge, 1903 -- invalid
  Nisoniades naevius Lintner, 1881 -- invalid
  Nisoniades ovidius Scudder and Burgess, 1870 -- invalid
  Nisoniades petronius Lintner, 1881 -- invalid
  Nisoniades plautus Scudder and Burgess, 1870 -- invalid
  Nisoniades rubescens (Möschler, 1877) -- valid -- Purplish-black Skipper
  Nisoniades terentius Scudder and Burgess, 1870 -- invalid
  Nisoniades tibullus Scudder and Burgess, 1870 -- invalid
  Nisoniades virgilius Scudder and Burgess, 1870 -- invalid
  Noctuana E. Bell, 1937 -- valid
  Noctuana stator (Godman and Salvin, 1899) -- valid -- Red-studded Skipper
  Notamblyscirtes Scott, 2006 -- valid
  Notamblyscirtes simius (W. H. Edwards, 1881) -- valid
  Nyctelius Hayward, 1948 -- valid
  Nyctelius nyctelius (Latreille, 1824) -- valid -- Violet-banded Skipper
  Nyctelius nyctelius nyctelius (Latreille, 1824) -- valid
  Nymphalidae Rafinesque, 1815 -- valid -- admirals, anglewings, brush-footed butterflies, brushfoot butterflies, Brushfooted Butterflies, checker-spots, crescent-spots, fritillaries, mourningclocks, purples
  Nymphalinae Rafinesque, 1815 -- valid -- True Brushfoots
  Nymphalini Rafinesque, 1815 -- valid
  Nymphalis Kluk, 1780 -- valid
  Nymphalis antiopa (Linnaeus, 1758) -- valid -- chenille épineuse de l'orme, morio, Mourning Cloak, mourningcloak, mourningcloak butterfly, spiny elm caterpillar
  Nymphalis antiopa antiopa (Linnaeus, 1758) -- valid
  Nymphalis californica (Boisduval, 1852) -- valid -- California Tortoiseshell
  Nymphalis coresia Godart, 1824 -- invalid
  Nymphalis l-album (Esper, 1781) -- valid
  Nymphalis l-album j-album (Boisduval and Le Conte, 1835) -- valid
  Nymphalis l-album watsoni (G. Hall, 1924) -- valid
  Nymphalis pithyusa R. Felder, 1869 -- invalid
  Nymphalis vaualbum ([Schiffermüller], 1775) -- invalid -- Compton Tortoiseshell
  Oarisma Scudder, 1872 -- valid
  Oarisma edwardsii (W. Barnes, 1897) -- valid -- Edwards' Skipperling
  Oarisma garita (Reakirt, 1866) -- valid -- Garita Skipperling
  Oarisma garita garita (Reakirt, 1866) -- valid
  Oarisma poweshiek (Parker, 1870) -- valid -- Poweshiek Skipperling
  Ocaria Clench, 1970 -- valid
  Ocaria ocrisia (Hewitson, 1868) -- valid -- Black Hairstreak
  Ochlodes Scudder, 1872 -- valid
  Ochlodes agricola (Boisduval, 1852) -- valid -- Rural Skipper
  Ochlodes agricola agricola (Boisduval, 1852) -- valid
  Ochlodes agricola nemorum (Boisduval, 1852) -- valid
  Ochlodes agricola verus (W. H. Edwards, 1881) -- valid
  Ochlodes sylvanoides (Boisduval, 1852) -- valid -- Woodland Skipper
  Ochlodes sylvanoides bonnevilla Scott, 1981 -- valid
  Ochlodes sylvanoides catalina J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Ochlodes sylvanoides napa (W. H. Edwards, 1865) -- valid
  Ochlodes sylvanoides omnigena Austin in T. Emmel, 1998 -- valid
  Ochlodes sylvanoides orecoasta Scott, 1981 -- valid
  Ochlodes sylvanoides orecoastus Scott, 1981 -- invalid
  Ochlodes sylvanoides pratincola (Boisduval, 1852) -- invalid
  Ochlodes sylvanoides santacruza Scott, 1981 -- valid
  Ochlodes sylvanoides sylvanoides (Boisduval, 1852) -- valid
  Ochlodes yuma (W. H. Edwards, 1873) -- valid -- Yuma Skipper
  Ochlodes yuma anasazi S. Cary and Stanford, 1995 -- valid
  Ochlodes yuma lutea Austin in T. Emmel, 1998 -- valid
  Ochlodes yuma sacramentorum Austin in T. Emmel, 1998 -- valid
  Ochlodes yuma scudderi (Skinner, 1899) -- valid
  Ochlodes yuma yuma (W. H. Edwards, 1873) -- valid
  Ocytes Scudder, 1872 -- invalid
  Ocytes seminole Scudder, 1872 -- invalid
  Oeneis Hübner, 1819 -- valid
  Oeneis (Oeneis) Hübner, 1819 -- valid
  Oeneis (Protoeneis) Gorbunov, 2001 -- valid
  Oeneis alberta Elwes, 1893 -- valid -- Alberta Arctic
  Oeneis alberta alberta Elwes, 1893 -- valid
  Oeneis alberta capulinensis F. Brown, 1970 -- valid
  Oeneis alberta daura (Strecker, 1894) -- valid
  Oeneis alberta ojibwe Scott and Kondla, 2006 -- valid
  Oeneis alberta oslari Skinner, 1911 -- valid
  Oeneis alpina Kurentsov, 1970 -- valid -- Sentinel Arctic
  Oeneis alpina excubitor Troubridge, Philip, Scott and J. Shepard, 1982 -- valid
  Oeneis bore (Esper, 1789) -- valid
  Oeneis bore edwardsi dos Passos, 1949 -- valid
  Oeneis bore fordi dos Passos, 1949 -- valid
  Oeneis bore gaspeensis dos Passos, 1949 -- valid
  Oeneis bore hanburyi Watkins, 1928 -- valid
  Oeneis bore mckinleyensis dos Passos, 1949 -- valid
  Oeneis bore taygete Geyer, 1830 -- valid
  Oeneis chryxus (E. Doubleday, 1849) -- valid -- Chryxus Arctic, chryxus arctic, nordique orange
  Oeneis chryxus altacordillera Scott, 2006 -- valid
  Oeneis chryxus calais (Scudder, 1865) -- valid
  Oeneis chryxus caryi Dyar, 1904 -- valid
  Oeneis chryxus chryxus (E. Doubleday, 1849) -- valid -- 'Brown' Chryxus Arctic
  Oeneis chryxus ivallda (Mead, 1878) -- valid -- 'California' Chryxus Arctic
  Oeneis chryxus stanislaus Hovanitz, 1937 -- valid
  Oeneis chryxus strigulosa McDunnough, 1934 -- valid
  Oeneis chryxus valerata Burdick, 1958 -- valid
  Oeneis jutta (Hübner, 1806) -- valid -- Jutta Arctic, jutta arctic, nordique des tourbières
  Oeneis jutta alaskensis W. Holland, 1900 -- valid
  Oeneis jutta ascerta Masters and Sorenson, 1968 -- valid
  Oeneis jutta balder (Guérin-Méneville, 1832) -- valid
  Oeneis jutta chermocki Wyatt, 1965 -- valid
  Oeneis jutta harperi dos Passos, 1977 -- valid
  Oeneis jutta jutta (Hübner, 1806) -- valid
  Oeneis jutta leussleri Bryant, 1935 -- valid
  Oeneis jutta reducta McDunnough, 1929 -- valid
  Oeneis jutta ridingiana F. Chermock and R. Chermock, 1940 -- valid
  Oeneis jutta terraenovae dos Passos, 1935 -- valid
  Oeneis macounii (W. H. Edwards, 1885) -- valid -- Macoun's Arctic
  Oeneis melissa (Fabricius, 1775) -- valid -- Melissa Arctic
  Oeneis melissa assimilis Butler, 1868 -- valid
  Oeneis melissa atlinensis C. Guppy and J. Shepard, 2001 -- valid
  Oeneis melissa beanii Elwes, 1893 -- valid
  Oeneis melissa gibsoni W. Holland, 1930 -- valid
  Oeneis melissa lucilla W. Barnes and McDunnough, 1918 -- valid
  Oeneis melissa melissa (Fabricius, 1775) -- valid
  Oeneis melissa semidea (Say, 1828) -- valid
  Oeneis melissa semplei W. Holland, 1930 -- valid
  Oeneis nevadensis (C. Felder and R. Felder, 1867) -- valid -- Great Arctic
  Oeneis nevadensis gigas Butler, 1868 -- valid
  Oeneis nevadensis iduna (W. H. Edwards, 1874) -- valid
  Oeneis nevadensis nevadensis (C. Felder and R. Felder, 1867) -- valid
  Oeneis philipi Troubridge, 1988 -- valid
  Oeneis polixenes (Fabricius, 1775) -- valid -- nordique alpin, polixenes arctic, Polixenes Arctic
  Oeneis polixenes beringianus Kurentsov, 1970 -- valid
  Oeneis polixenes brucei (W. H. Edwards, 1891) -- valid
  Oeneis polixenes katahdin (Newcomb, 1901) -- valid
  Oeneis polixenes polixenes (Fabricius, 1775) -- valid
  Oeneis polixenes subhyalina (J. Curtis, 1835) -- valid
  Oeneis polixenes woodi Troubridge and Parshall, 1988 -- valid
  Oeneis polixenes yukonensis Gibson, 1920 -- valid
  Oeneis rosovi Kurentsov, 1970 -- valid -- Early Arctic
  Oeneis taygete Geyer, 1830 -- invalid -- nordique à nervures blanches, white veined arctic, White-veined Arctic, whiteveined arctic
  Oeneis uhleri (Reakirt, 1866) -- valid -- Uhler's Arctic
  Oeneis uhleri cairnesi Gibson, 1920 -- valid
  Oeneis uhleri nahanni Dyar, 1904 -- valid
  Oeneis uhleri reinthali F. Brown, 1953 -- valid
  Oeneis uhleri uhleri (Reakirt, 1866) -- valid
  Oeneis uhleri varuna (W. H. Edwards, 1882) -- valid
  Oenomaus Hübner, 1819 -- valid
  Oenomaus ortygnus (Cramer, 1779) -- valid -- Aquamarine Hairstreak
  Oligoria Scudder, 1872 -- valid
  Oligoria maculata (W. H. Edwards, 1865) -- valid -- Twin-spot Skipper
  Pamphila [Fabricius], 1807 -- invalid
  Pamphila actor Mabille, 1891 -- invalid
  Pamphila alcina Skinner, 1893 -- invalid
  Pamphila amadis Herrich-Schäffer, 1863 -- invalid
  Pamphila assiniboia Lyman, 1892 -- invalid
  Pamphila bellus W. H. Edwards, 1884 -- invalid
  Pamphila bucephalus Stephens, 1828 -- invalid
  Pamphila cabelus W. H. Edwards, 1881 -- invalid
  Pamphila california W. G. Wright, 1905 -- invalid
  Pamphila californica Mabille, 1883 -- invalid
  Pamphila chispa W. G. Wright, 1905 -- invalid
  Pamphila citrus Mabille, 1889 -- invalid
  Pamphila colorado Scudder, 1874 -- invalid
  Pamphila flaveola Mabille, 1891 -- invalid
  Pamphila floridae Mabille, 1876 -- invalid
  Pamphila golenia Möschler, 1879 -- invalid
  Pamphila hala Butler, 1870 -- invalid
  Pamphila harpalus W. H. Edwards, 1881 -- invalid
  Pamphila heterospila Mabille, 1878 -- invalid
  Pamphila horus W. H. Edwards, 1871 -- invalid
  Pamphila idaho W. H. Edwards, 1883 -- invalid
  Pamphila immaculatus R. Williams, 1914 -- invalid
  Pamphila kedema Butler, 1870 -- invalid
  Pamphila ludoviciae Mabille, 1883 -- invalid
  Pamphila lumida Möschler, 1879 -- invalid
  Pamphila margarita Skinner, 1913 -- invalid
  Pamphila milo W. H. Edwards, 1883 -- invalid
  Pamphila myus French, 1885 -- invalid
  Pamphila ogallala Leussler, 1921 -- invalid
  Pamphila ortygia Möschler, 1883 -- invalid
  Pamphila osceola Lintner, 1878 -- invalid
  Pamphila pallida Skinner, 1911 -- invalid
  Pamphila parilis Mabille, 1891 -- invalid
  Pamphila pottawattomie Worthington, 1880 -- invalid
  Pamphila quinquemacula Skinner, 1911 -- invalid
  Pamphila regulus W. H. Edwards, 1881 -- invalid
  Pamphila rurea W. H. Edwards, 1862 -- invalid
  Pamphila scudderi Skinner, 1899 -- invalid
  Pamphila sigida Mabille, 1891 -- invalid
  Pamphila similis Strecker, 1878 -- invalid
  Pamphila stigma Skinner, 1896 -- invalid
  Pamphila stratyllis Burmeister, 1878 -- invalid
  Pamphila suffusa Laurent, 1892 -- invalid
  Pamphila trebius Mabille, 1891 -- invalid
  Pamphila ursa Worthington, 1880 -- invalid
  Pamphila vala Mabille, 1891 -- invalid
  Pamphila valo Mabille, 1891 -- invalid
  Pamphilida Lindsey, 1925 -- invalid
  Panoquina Hemming, 1934 -- valid
  Panoquina errans (Skinner, 1892) -- valid -- Wandering Skipper
  Panoquina evansi (H. Freeman, 1946) -- valid
  Panoquina fusina (Hewitson, 1868) -- valid -- Evans' Skipper
  Panoquina hecebola (Scudder, 1872) -- invalid -- Hecebolus Skipper
  Panoquina hecebolus (Scudder, 1872) -- valid
  Panoquina lucas (Fabricius, 1793) -- valid
  Panoquina ocola (W. H. Edwards, 1863) -- valid -- Ocola Skipper
  Panoquina ocola ocola (W. H. Edwards, 1863) -- valid
  Panoquina panoquin (Scudder, 1863) -- valid -- Salt Marsh Skipper
  Panoquina panoquinoides (Skinner, 1891) -- valid -- Obscure Skipper
  Panoquina panoquinoides panoquinoides (Skinner, 1891) -- valid
  Panoquina sylvicola (Herrich-Schäffer, 1865) -- invalid -- Purple-washed Skipper
  Pansydia Scudder, 1872 -- invalid
  Paphia glycerium E. Doubleday, 1849 -- invalid
  Papias bobae Weeks, 1906 -- invalid
  Papilio Linnaeus, 1758 -- valid -- swallowtails
  Papilio (Heraclides) Hübner, 1819 -- valid
  Papilio (Papilio) Linnaeus, 1758 -- valid
  Papilio (Pterourus) Scopoli, 1777 -- valid
  Papilio (Sinoprinceps) Hancock, 1983 -- valid
  Papilio alexiares Höpffer, 1866 -- valid
  Papilio alexiares garcia Rothschild and Jordan, 1906 -- valid
  Papilio amyntas Fabricius, 1775 -- invalid
  Papilio anchisiades Esper, 1788 -- valid -- Ruby-spotted Swallowtail
  Papilio anchisiades idaeus Fabricius, 1793 -- valid
  Papilio andraemon (Hübner, 1823) -- valid -- Bahamian Swallowtail
  Papilio andraemon bonhotei Sharpe, 1900 -- valid
  Papilio androgeus Cramer, 1775 -- valid -- Androgeus Swallowtail
  Papilio androgeus epidaurus Godman and Salvin, 1890 -- valid
  Papilio appalachiensis (Pavulaan and D. Wright, 2002) -- valid
  Papilio aristodemus Esper, 1794 -- valid -- Schaus' Swallowtail
  Papilio aristodemus ponceanus Schaus, 1911 -- valid
  Papilio astyalus Godart, 1819 -- valid -- Broad-banded Swallowtail
  Papilio astyalus bajaensis J. Brown and Faulkner, 1992 -- valid
  Papilio astyalus pallas G. Gray, 1853 -- valid
  Papilio brevicauda Saunders, 1869 -- valid -- papillon queue-courte, Short-tailed Swallowtail, shorttailed swallowtail
  Papilio brevicauda bretonensis McDunnough, 1939 -- valid
  Papilio brevicauda brevicauda Saunders, 1869 -- valid
  Papilio brevicauda gaspeensis McDunnough, 1934 -- valid
  Papilio brontes ([Schiffermüller], 1775) -- invalid
  Papilio canadensis Rothschild and Jordan, 1906 -- valid -- Canadian Tiger Swallowtail
  Papilio coridon Fabricius, 1775 -- invalid
  Papilio cresphontes Cramer, 1777 -- valid -- Giant Swallowtail
  Papilio daunus Cramer, 1777 -- invalid
  Papilio eurymedon Lucas, 1852 -- valid -- Pale Swallowtail
  Papilio fulminator Sepp, 1841 -- invalid
  Papilio garamas (Geyer, 1829) -- valid -- Magnificent Swallowtail
  Papilio garamas abderus Höpffer, 1856 -- valid
  Papilio glaucus Linnaeus, 1758 -- valid -- Eastern Tiger Swallowtail, tiger swallowtail
  Papilio glaucus canadensis Rothschild and Jordan, 1906 -- invalid -- Canadian tiger swallowtail
  Papilio glaucus glaucus Linnaeus, 1758 -- valid -- eastern tiger swallowtail
  Papilio glaucus maynardi Gauthier, 1984 -- valid
  Papilio idas Cramer, 1779 -- invalid
  Papilio indra Reakirt, 1866 -- valid -- Indra Swallowtail
  Papilio indra calcicola J. Emmel and Griffin in T. Emmel, 1998 -- valid
  Papilio indra fordi J. A. Comstock and Martin, 1956 -- valid
  Papilio indra indra Reakirt, 1866 -- valid
  Papilio indra kaibabensis Bauer, 1955 -- valid
  Papilio indra martini J. Emmel and T. Emmel, 1966 -- valid
  Papilio indra minori Cross, 1937 -- valid
  Papilio indra nevadensis T. Emmel and J. Emmel, 1971 -- valid
  Papilio indra panamintensis J. Emmel, 1982 -- valid
  Papilio indra parvindra J. Emmel, T. Emmel and Griffin, in Pelham, 2008 -- valid
  Papilio indra pergamus Hy. Edwards, 1874 -- valid
  Papilio indra phyllisae J. Emmel, 1982 -- valid
  Papilio indra shastensis J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Papilio joanae J. Heitzman, 1973 -- valid -- Ozark Swallowtail
  Papilio leucogramma Sepp, 1830 -- invalid
  Papilio lycidas Smith, 1797 -- invalid
  Papilio machaon Linnaeus, 1758 -- valid -- Old World Swallowtail
  Papilio machaon aliaska Scudder, 1869 -- valid
  Papilio machaon bairdii W. H. Edwards, 1866 -- valid -- 'Baird's' Old World Swallowtail
  Papilio machaon dodi McDunnough, 1939 -- valid
  Papilio machaon hudsonianus A. Clark, 1932 -- valid
  Papilio machaon oregonia W. H. Edwards, 1876 -- valid
  Papilio machaon oregonius W. H. Edwards, 1876 -- invalid -- 'Oregon' Swallowtail
  Papilio machaon pikei Sperling, 1987 -- valid
  Papilio menalcas Fabricius, 1775 -- invalid
  Papilio multicaudata W. F. Kirby, 1884 -- valid -- Two-tailed Swallowtail
  Papilio multicaudata multicaudata W. F. Kirby, 1884 -- valid
  Papilio multicaudata pusillus Austin and J. Emmel in T. Emmel, 1998 -- valid
  Papilio niveus Cramer, 1775 -- invalid
  Papilio orion Drury, 1782 -- invalid
  Papilio ornythion Boisduval, 1836 -- valid -- Ornythion Swallowtail
  Papilio palamedes Drury, 1773 -- valid -- Palamedes Swallowtail
  Papilio palamedes leontis Rothschild and Jordan, 1906 -- valid
  Papilio palamedes palamedes Drury, 1773 -- valid
  Papilio palemon Cramer, 1777 -- invalid
  Papilio phareus Panzer, 1785 -- invalid
  Papilio pharnaces E. Doubleday, 1846 -- invalid -- Pink-spotted Swallowtail
  Papilio pilumnus Boisduval, 1836 -- valid -- Three-tailed Swallowtail
  Papilio polyxenes Fabricius, 1775 -- valid -- Black Swallowtail
  Papilio polyxenes asterius Stoll, 1782 -- valid -- black swallowtail, parsnip swallowtail
  Papilio polyxenes coloro W. G. Wright, 1905 -- valid -- 'Desert' Black Swallowtail
  Papilio rogeri Boisduval, 1836 -- valid
  Papilio rogeri pharnaces E. Doubleday, 1846 -- valid
  Papilio rutulus Lucas, 1852 -- valid -- Western Tiger Swallowtail
  Papilio syrichtus Fabricius, 1775 -- invalid
  Papilio taumas Fabricius, 1787 -- invalid
  Papilio thaumas Fabricius, 1793 -- invalid
  Papilio thoas Linnaeus, 1771 -- valid -- Thoas Swallowtail
  Papilio thoas autocles Rothschild and Jordan, 1906 -- valid
  Papilio tityrus Fabricius, 1775 -- invalid
  Papilio troilus Linnaeus, 1758 -- valid -- Spicebush Swallowtail
  Papilio troilus fakahatcheensis (Gatrelle, 2000) -- valid
  Papilio troilus troilus Linnaeus, 1758 -- valid
  Papilio urticae Linnaeus, 1758 -- invalid
  Papilio victorinus E. Doubleday, 1844 -- valid -- Victorine Swallowtail
  Papilio victorinus victorinus E. Doubleday, 1844 -- valid
  Papilio virgula Hübner, 1813 -- invalid
  Papilio xuthus Linnaeus, 1767 -- valid -- Chinese Swallowtail
  Papilio zelicaon Lucas, 1852 -- valid -- Anise Swallowtail
  Papilionidae Latreille, 1802 -- valid -- swallowtail butterflies, Swallowtails
  Papilioninae Latreille, 1802 -- valid -- Swallowtails
  Papilionini Latreille, 1802 -- valid
  Papilionoidea Latreille, 1802 -- valid -- butterflies, papillons
  Paradopaea Godman, 1900 -- invalid
  Paramacera Butler, 1868 -- valid
  Paramacera allyni L. Miller, 1972 -- invalid -- Pine Satyr
  Paramacera xicaque (Reakirt, 1867) -- valid
  Paramacera xicaque allyni L. Miller, 1972 -- valid
  Paratrytone Godman, 1900 -- valid
  Paratrytone snowi (W. H. Edwards, 1877) -- valid -- Snow's Skipper
  Parides Hübner, 1819 -- valid
  Parides (Parides) Hübner, 1819 -- valid
  Parides alopius (Godman and Salvin, 1890) -- valid -- White-dotted Cattleheart
  Parides eurimedes (Stoll, 1782) -- valid
  Parides eurimedes mylotes (H. Bates, 1861) -- valid
  Parnara apostologica Strand, 1921 -- invalid
  Parnassiidae -- invalid -- parnissians
  Parnassiinae Duponchel, 1835 -- valid -- Parnassians
  Parnassiini Duponchel, 1835 -- valid
  Parnassius Latreille, 1804 -- valid
  Parnassius behrii W. H. Edwards, 1870 -- valid
  Parnassius clodius Ménétriés, 1855 -- valid -- Clodius Parnassian
  Parnassius clodius altaurus Dyar, 1903 -- valid
  Parnassius clodius baldur W. H. Edwards, 1877 -- valid
  Parnassius clodius claudianus Stichel, 1907 -- valid
  Parnassius clodius clodius Ménétriés, 1855 -- valid
  Parnassius clodius incredibilis Bryk, 1932 -- valid
  Parnassius clodius menetriesii Hy. Edwards, 1877 -- valid
  Parnassius clodius pseudogallatinus Bryk, 1913 -- valid
  Parnassius clodius sol Bryk and Eisner, 1932 -- valid
  Parnassius clodius strohbeeni Sternitzky, 1945 -- valid
  Parnassius eversmanni [Ménétriés], 1850 -- valid -- Eversmann's Parnassian
  Parnassius eversmanni thor Hy. Edwards, 1881 -- valid
  Parnassius phoebus (Fabricius, 1793) -- valid -- Phoebus Parnassian
  Parnassius phoebus apricatus Stichel, 1906 -- valid
  Parnassius phoebus behri W. H. Edwards, 1870 -- invalid -- 'Sierra Nevada' Phoebus Parnassian
  Parnassius phoebus golovinus W. Holland, 1930 -- valid
  Parnassius phoebus phoebus (Fabricius, 1793) -- valid -- 'Phoebus' Phoebus Parnassian
  Parnassius phoebus smintheus E. Doubleday, 1847 -- invalid -- 'Rocky Mountain' Phoebus Parnassian
  Parnassius smintheus E. Doubleday, 1847 -- valid
  Parnassius smintheus magnus W. G. Wright, 1905 -- valid
  Parnassius smintheus maximus Bryk and Eisner, 1937 -- valid
  Parnassius smintheus olympianna Burdick, 1941 -- valid
  Parnassius smintheus pseudorotgeri Eisner, 1966 -- valid
  Parnassius smintheus sayii W. H. Edwards, 1863 -- valid
  Parnassius smintheus smintheus E. Doubleday, 1847 -- valid
  Parnassius smintheus sternitzkyi McDunnough, 1937 -- valid
  Parnassius smintheus yukonensis Eisner, 1969 -- valid
  Parrhasius Hübner, 1819 -- valid
  Parrhasius m-album (Boisduval and Le Conte, 1833) -- valid -- White M Hairstreak
  Pelion W. F. Kirby, 1858 -- invalid
  Pellicia Herrich-Schäffer, 1870 -- valid
  Pellicia angra Evans, 1953 -- valid -- Confused Pellicia
  Pellicia arina Evans, 1953 -- valid -- Glazed Pellicia
  Pellicia bilinea Mabille, 1889 -- invalid
  Pellicia bromias Godman and Salvin, 1894 -- invalid
  Pellicia corinna Plötz, 1882 -- invalid
  Pellicia didia Möschler, 1880 -- invalid
  Pellicia dimidiata Herrich-Schäffer, 1870 -- valid -- Morning Glory Pellicia
  Pellicia dimidiata dimidiata Herrich-Schäffer, 1870 -- valid
  Pellicia hypsipyle Hayward, 1947 -- invalid
  Perichares Scudder, 1872 -- valid
  Perichares marmorata Scudder, 1872 -- invalid
  Perichares philetes (Gmelin, 1790) -- valid -- Green-backed Ruby-eye
  Perichares philetes adela (Hewitson, 1867) -- valid
  Phaeostrymon Clench, 1961 -- valid
  Phaeostrymon alcestis (W. H. Edwards, 1871) -- valid -- Soapberry Hairstreak
  Phaeostrymon alcestis alcestis (W. H. Edwards, 1871) -- valid
  Phaeostrymon alcestis oslari (Dyar, 1904) -- valid
  Philotes Scudder, 1867 -- valid
  Philotes sonorensis (C. Felder and R. Felder, 1865) -- valid -- Sonoran Blue
  Philotes sonorensis extinctis Mattoni, 1991 -- valid
  Philotes sonorensis sonorensis (C. Felder and R. Felder, 1865) -- valid
  Philotiella Mattoni, 1978 -- valid
  Philotiella leona Hammond and McCorkle, 2000 -- valid
  Philotiella speciosa (Hy. Edwards, 1877) -- valid -- Small Blue
  Philotiella speciosa bohartorum (Tilden, 1969) -- valid
  Philotiella speciosa leona Hammond and McCorkle, 2000 -- invalid
  Philotiella speciosa purisima Priestaf and J. Emmel in T. Emmel, 1998 -- valid
  Philotiella speciosa septentrionalis Austin in T. Emmel, 1998 -- valid
  Philotiella speciosa speciosa (Hy. Edwards, 1877) -- valid
  Phocides Hübner, 1819 -- valid
  Phocides albiciliata Röber, 1925 -- invalid
  Phocides belus Godman and Salvin, 1890 -- valid
  Phocides cruentus Hübner, 1819 -- invalid
  Phocides disparilis Röber, 1925 -- invalid
  Phocides gunderi R. Williams and E. Bell, 1931 -- invalid
  Phocides iocularis Röber, 1925 -- invalid
  Phocides pigmalion (Cramer, 1779) -- valid -- Mangrove Skipper
  Phocides pigmalion okeechobee (Worthington, 1881) -- valid
  Phocides polybius (Fabricius, 1793) -- valid -- Guava Skipper
  Phocides polybius lilea (Reakirt, 1867) -- valid
  Phocides tenuistriga Mabille and Boullet, 1912 -- invalid
  Phocides urania (Westwood, 1852) -- valid
  Phocides vulcanides Röber, 1925 -- valid
  Phoebis Hübner, 1819 -- valid
  Phoebis agarithe (Boisduval, 1836) -- valid -- Large Orange Sulphur
  Phoebis agarithe agarithe (Boisduval, 1836) -- valid
  Phoebis agarithe fisheri (Hy. Edwards, 1883) -- valid
  Phoebis agarithe maxima (Neumoegen, 1891) -- valid
  Phoebis argante (Fabricius, 1775) -- valid -- Apricot Sulphur
  Phoebis argante argante (Fabricius, 1775) -- valid
  Phoebis neocypris (Hübner, 1823) -- valid -- Tailed Sulphur
  Phoebis neocypris virgo (Butler, 1870) -- valid
  Phoebis orbis (Poey, 1832) -- invalid -- Orbed Sulphur
  Phoebis philea (Linnaeus, 1763) -- valid -- Orange-barred Sulphur
  Phoebis philea philea (Linnaeus, 1763) -- valid
  Phoebis sennae (Linnaeus, 1758) -- valid -- Cloudless Sulphur
  Phoebis sennae marcellina (Cramer, 1777) -- valid
  Phoebis sennae sennae (Linnaeus, 1758) -- valid
  Phoebis statira (Cramer, 1777) -- invalid -- Statira Sulphur
  Phoedinus Godman and Salvin, 1894 -- invalid
  Pholisora Scudder, 1872 -- valid
  Pholisora catullus (Fabricius, 1793) -- valid -- Common Sootywing
  Pholisora mejicana (Reakirt, 1867) -- invalid -- Mexican Sootywing
  Pholisora mejicanus (Reakirt, 1867) -- valid
  Phycanassa Scudder, 1872 -- invalid
  Phyciodes Hübner, 1819 -- valid
  Phyciodes argentea Godman and Salvin, 1882 -- invalid -- Chestnut Crescent
  Phyciodes batesii (Reakirt, 1866) -- valid -- Tawny Crescent
  Phyciodes batesii anasazi Scott, 1994 -- valid
  Phyciodes batesii apsaalooke Scott, 1994 -- valid
  Phyciodes batesii batesii (Reakirt, 1866) -- valid
  Phyciodes batesii lakota Scott, 1994 -- valid
  Phyciodes batesii maconensis Gatrelle, 1998 -- valid
  Phyciodes batesii saskatchewan Scott, 2006 -- valid
  Phyciodes campestris (Behr, 1863) -- invalid -- Field Crescent
  Phyciodes cocyta (Cramer, 1777) -- valid
  Phyciodes cocyta arenacolor Austin in T. Emmel, 1998 -- valid
  Phyciodes cocyta cocyta (Cramer, 1777) -- valid
  Phyciodes cocyta diminutor Scott, 1998 -- valid
  Phyciodes cocyta incognitus Gatrelle, 2004 -- valid
  Phyciodes cocyta pascoensis W. G. Wright, 1905 -- valid
  Phyciodes cocyta selenis (W. Kirby, 1837) -- valid
  Phyciodes frisia (Poey, 1832) -- invalid -- Cuban Crescent
  Phyciodes graphica (R. Felder, 1869) -- valid
  Phyciodes graphica vesta (W. H. Edwards, 1869) -- valid
  Phyciodes mylitta (W. H. Edwards, 1861) -- valid -- Mylitta Crescent
  Phyciodes mylitta arizonensis Bauer, 1975 -- valid
  Phyciodes mylitta mylitta (W. H. Edwards, 1861) -- valid
  Phyciodes orseis W. H. Edwards, 1871 -- valid -- California Crescent
  Phyciodes orseis herlani Bauer, 1975 -- valid
  Phyciodes orseis orseis W. H. Edwards, 1871 -- valid
  Phyciodes pallida (W. H. Edwards, 1864) -- valid -- Pale Crescent
  Phyciodes pallida barnesi Skinner, 1897 -- valid
  Phyciodes pallida pallida (W. H. Edwards, 1864) -- valid
  Phyciodes phaon (W. H. Edwards, 1864) -- valid -- Phaon Crescent
  Phyciodes phaon jalapeno Scott, 1998 -- valid
  Phyciodes phaon phaon (W. H. Edwards, 1864) -- valid
  Phyciodes picta (W. H. Edwards, 1865) -- valid -- Painted Crescent
  Phyciodes picta canace W. H. Edwards, 1871 -- valid
  Phyciodes picta picta (W. H. Edwards, 1865) -- valid
  Phyciodes ptolyca (H. Bates, 1864) -- invalid -- Black Crescent
  Phyciodes pulchella (Boisduval, 1852) -- valid
  Phyciodes pulchella camillus W. H. Edwards, 1871 -- valid
  Phyciodes pulchella deltarufa Scott, 1998 -- valid
  Phyciodes pulchella inornatus Austin in T. Emmel, 1998 -- valid
  Phyciodes pulchella montana (Behr, 1863) -- valid
  Phyciodes pulchella owimba Scott, 1998 -- valid
  Phyciodes pulchella pulchella (Boisduval, 1852) -- valid
  Phyciodes pulchella sacramento Scott, 2006 -- valid
  Phyciodes pulchella shoshoni Scott, 1994 -- valid
  Phyciodes pulchella tutchone Scott, 1994 -- valid
  Phyciodes pulchella vallis Austin in T. Emmel, 1998 -- valid
  Phyciodes selenis (W. Kirby, 1837) -- invalid -- Northern Crescent
  Phyciodes texana (W. H. Edwards, 1863) -- invalid -- Texan Crescent
  Phyciodes texana seminole (Skinner, 1911) -- invalid -- 'Seminole' Texan Crescent
  Phyciodes texana texana (W. H. Edwards, 1863) -- invalid -- 'Texan' Texan Crescent
  Phyciodes tharos (Drury, 1773) -- valid -- Pearl Crescent
  Phyciodes tharos arctica dos Passos, 1935 -- invalid -- pearl crescent
  Phyciodes tharos orantain Scott, 1998 -- valid
  Phyciodes tharos riocolorado Scott, 1992 -- valid
  Phyciodes tharos tharos (Drury, 1773) -- valid
  Phyciodes tulcis (H. Bates, 1864) -- invalid -- Pale-banded Crescent
  Phyciodes vesta (W. H. Edwards, 1869) -- invalid -- Vesta Crescent
  Phyciodina Higgins, 1981 -- valid
  Pieriballia Klots, 1933 -- valid
  Pieriballia viardi (Boisduval, 1836) -- valid
  Pieriballia viardi viardi (Boisduval, 1836) -- valid
  Pieridae Swainson, 1820 -- valid -- orange-tips, Sulphurs, Whites
  Pierina Swainson, 1820 -- valid
  Pierinae Swainson, 1820 -- valid -- Whites
  Pierini Swainson, 1820 -- valid
  Pieris Schrank, 1801 -- valid -- whites
  Pieris angelika Eitschberger, 1984 -- valid
  Pieris brassicae (Linnaeus, 1758) -- valid -- Large White
  Pieris marginalis Scudder, 1861 -- valid
  Pieris marginalis castoria Reakirt, 1866 -- valid
  Pieris marginalis guppyi Eitschberger, 1984 -- valid
  Pieris marginalis hulda W. H. Edwards, 1869 -- valid
  Pieris marginalis marginalis Scudder, 1861 -- valid
  Pieris marginalis meckyae Eitschberger, 1984 -- valid
  Pieris marginalis mogollon Burdick, 1942 -- valid
  Pieris marginalis pallidissima W. Barnes and McDunnough, 1916 -- valid
  Pieris marginalis pseudobryoniae Fruhstorfer, 1909 -- valid
  Pieris marginalis pseudonapi W. Barnes and McDunnough, 1916 -- valid
  Pieris marginalis reicheli Eitschberger, 1984 -- valid
  Pieris marginalis sequoia J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Pieris marginalis shapiroi Eitschberger, 1984 -- valid
  Pieris marginalis tremblayi Eitschberger, 1984 -- valid
  Pieris marginalis venosa Scudder, 1861 -- valid
  Pieris marginalis zeigleri Eitschberger, 1991 -- valid
  Pieris napi (Linnaeus, 1758) -- valid -- Mustard White, mustard white, piéride des crucifères
  Pieris napi marginalis Scudder, 1861 -- invalid -- 'Margined' Mustard White
  Pieris napi napi (Linnaeus, 1758) -- valid
  Pieris napi oleracea (T. Harris, 1829) -- invalid -- 'Veined' Mustard White
  Pieris oleracea (T. Harris, 1829) -- valid
  Pieris oleracea frigida Scudder, 1861 -- valid
  Pieris oleracea oleracea (T. Harris, 1829) -- valid
  Pieris rapae (Linnaeus, 1758) -- valid -- cabbage butterfly, Cabbage White, imported cabbageworm, piéride de la rave, piéride du chou
  Pieris rapae rapae (Linnaeus, 1758) -- valid
  Pieris virginiensis W. H. Edwards, 1870 -- valid -- West Virginia White
  Pieris virginiensis hyatti Eitschberger, 1984 -- valid
  Pieris virginiensis virginiensis W. H. Edwards, 1870 -- valid
  Piruna Evans, 1955 -- valid
  Piruna aea (Dyar, 1912) -- valid
  Piruna aea mexicana H. Freeman, 1979 -- valid
  Piruna cingo Evans, 1955 -- invalid -- Many-spotted Skipperling
  Piruna haferniki H. Freeman, 1970 -- valid -- Chisos Skipperling
  Piruna microstictus (Godman, 1900) -- valid -- Small-spotted Skipperling
  Piruna penaea (Dyar, 1918) -- valid
  Piruna pirus (W. H. Edwards, 1878) -- valid -- Russet Skipperling
  Piruna polingii (W. Barnes, 1900) -- valid
  Plebejus Kluk, 1780 -- valid
  Plebejus (Agriades) Hübner, 1819 -- valid
  Plebejus (Albulina) Tutt, 1909 -- valid
  Plebejus (Icaricia) Nabokov, 1945 -- valid
  Plebejus (Lycaeides) Hübner, 1819 -- valid
  Plebejus (Plebejus) Kluk, 1780 -- valid
  Plebejus (Plebulina) Nabokov, 1944 -- valid
  Plebejus acmon (Westwood, 1851) -- valid -- Acmon Blue
  Plebejus anna (W. H. Edwards, 1861) -- valid
  Plebejus anna anna (W. H. Edwards, 1861) -- valid
  Plebejus anna azureus (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus anna benwarner Scott, 2006 -- valid
  Plebejus anna lotis (Lintner, 1878) -- valid -- lotis blue Butterfly
  Plebejus anna ricei Cross, 1937 -- valid
  Plebejus anna vancouverensis (C. Guppy and J. Shepard, 2001) -- valid
  Plebejus aquilo (Boisduval, 1833) -- invalid -- arctic blue
  Plebejus argyrognomon (Bergsträsser, 1779) -- valid
  Plebejus emigdionis (F. Grinnell, 1905) -- valid -- San Emigdio Blue
  Plebejus fridayi F. Chermock, 1945 -- valid
  Plebejus glandon (de Prunner, 1798) -- valid
  Plebejus glandon bryanti Leussler, 1935 -- valid
  Plebejus glandon cassiope (J. Emmel and T. Emmel in T. Emmel, 1998) -- valid
  Plebejus glandon franklinii (J. Curtis, 1835) -- valid
  Plebejus glandon kelsoni (J. Emmel and T. Emmel in T. Emmel, 1998) -- valid
  Plebejus glandon labrador (Schmidt, Scott and Kondla, 2006) -- valid
  Plebejus glandon lacustris T. Freeman, 1939 -- valid
  Plebejus glandon megalo McDunnough, 1927 -- valid
  Plebejus glandon punctatus (Austin in T. Emmel, 1998) -- valid
  Plebejus glandon rustica (W. H. Edwards, 1865) -- valid
  Plebejus icarioides (Boisduval, 1852) -- valid -- Boisduval's Blue
  Plebejus icarioides albihalos (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides argusmontana (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides atascadero (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides austinorum (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides blackmorei W. Barnes and McDunnough, 1919 -- valid
  Plebejus icarioides buchholzi dos Passos, 1938 -- valid
  Plebejus icarioides eosierra (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides evius (Boisduval, 1869) -- valid
  Plebejus icarioides fenderi Macy, 1931 -- valid
  Plebejus icarioides fulla (W. H. Edwards, 1870) -- valid
  Plebejus icarioides helios (W. H. Edwards, 1871) -- valid
  Plebejus icarioides icarioides (Boisduval, 1852) -- valid
  Plebejus icarioides inyo (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides lycea (W. H. Edwards, 1864) -- valid
  Plebejus icarioides missionensis Hovanitz, 1937 -- valid -- 'Mission' Boisduval's Blue
  Plebejus icarioides montis Blackmore, 1923 -- valid
  Plebejus icarioides moroensis Sternitzky, 1930 -- valid
  Plebejus icarioides panamintina (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides parapheres (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus icarioides pardalis (Behr, 1867) -- valid
  Plebejus icarioides pembina (W. H. Edwards, 1862) -- valid
  Plebejus icarioides pheres (Boisduval, 1852) -- valid
  Plebejus icarioides santana (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus idas (Linnaeus, 1761) -- valid
  Plebejus idas alaskensis F. Chermock, 1945 -- valid
  Plebejus idas aster (W. H. Edwards, 1882) -- valid
  Plebejus idas atrapraetextus W. D. Field, 1939 -- valid
  Plebejus idas empetri T. Freeman, 1938 -- valid
  Plebejus idas ferniensis F. Chermock, 1945 -- valid
  Plebejus idas longinus (Nabokov, 1949) -- valid
  Plebejus idas nabokovi (Masters, 1972) -- valid
  Plebejus idas scudderii (W. H. Edwards, 1861) -- valid
  Plebejus idas sublivens (Nabokov, 1949) -- valid
  Plebejus lupini (Boisduval, 1869) -- valid -- Lupine Blue
  Plebejus lupini alpicola (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus lupini argentata (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus lupini chlorina (Skinner, 1902) -- valid
  Plebejus lupini cotundra Scott, 2006 -- valid
  Plebejus lupini dedeckera (J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998) -- valid
  Plebejus lupini goodpasturei (Austin in T. Emmel, 1998) -- valid
  Plebejus lupini lupini (Boisduval, 1869) -- valid
  Plebejus lupini lutzi dos Passos, 1938 -- valid
  Plebejus lupini monticola (Clemence, 1909) -- valid
  Plebejus lupini spangelatus Burdick, 1942 -- valid
  Plebejus lupini texanus (Goodpasture, 1973) -- valid
  Plebejus melissa (W. H. Edwards, 1873) -- valid
  Plebejus melissa alateres (Austin in T. Emmel, 1998) -- valid
  Plebejus melissa annetta (W. H. Edwards, 1882) -- valid
  Plebejus melissa inyoensis (Nabokov, 1949) -- valid
  Plebejus melissa melissa (W. H. Edwards, 1873) -- valid
  Plebejus melissa paradoxa F. Chermock, 1945 -- valid
  Plebejus melissa pseudosamuelis (Nabokov, 1949) -- valid
  Plebejus melissa samuelis (Nabokov, 1944) -- valid
  Plebejus neurona (Skinner, 1902) -- valid -- Veined Blue
  Plebejus optilete (Knoch, 1781) -- valid
  Plebejus optilete yukona (W. Holland, 1900) -- valid
  Plebejus podarce (C. Felder and R. Felder, 1865) -- valid
  Plebejus podarce cilla (Behr, 1867) -- valid
  Plebejus podarce klamathensis (J. Emmel and T. Emmel in T. Emmel, 1998) -- valid
  Plebejus podarce podarce (C. Felder and R. Felder, 1865) -- valid
  Plebejus saepiolus (Boisduval, 1852) -- valid -- Greenish Blue
  Plebejus saepiolus aehaja (Behr, 1867) -- valid
  Plebejus saepiolus albomontanus Austin and J. Emmel in T. Emmel, 1998 -- valid
  Plebejus saepiolus amica (W. H. Edwards, 1863) -- valid
  Plebejus saepiolus aureolus J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Plebejus saepiolus gertschi dos Passos, 1938 -- valid
  Plebejus saepiolus hilda (J. Grinnell and F. Grinnell, 1907) -- valid
  Plebejus saepiolus insulanus Blackmore, 1920 -- valid
  Plebejus saepiolus littoralis J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Plebejus saepiolus maculosus Austin in T. Emmel, 1998 -- valid
  Plebejus saepiolus rufescens (Boisduval, 1869) -- valid
  Plebejus saepiolus saepiolus (Boisduval, 1852) -- valid
  Plebejus saepiolus whitmeri F. Brown, 1951 -- valid
  Plebejus shasta (W. H. Edwards, 1862) -- valid -- Shasta Blue
  Plebejus shasta calchas (Behr, 1867) -- valid
  Plebejus shasta charlestonensis Austin, 1980 -- valid
  Plebejus shasta minnehaha (Scudder, 1874) -- valid
  Plebejus shasta pallidissima (Austin in T. Emmel, 1998) -- valid
  Plebejus shasta pitkinensis Ferris, 1976 -- valid
  Plebejus shasta platazul Scott, 2006 -- valid
  Plebejus shasta shasta (W. H. Edwards, 1862) -- valid
  Plesiocera Mabille, 1891 -- invalid
  Plesiocera filipalpis Mabille, 1891 -- invalid
  Plestia Mabille, 1888 -- invalid
  Poanes Scudder, 1872 -- valid
  Poanes aaroni (Skinner, 1890) -- valid -- Aaron's Skipper
  Poanes aaroni aaroni (Skinner, 1890) -- valid
  Poanes aaroni bordeloni Gatrelle, 2000 -- valid
  Poanes aaroni howardi (Skinner, 1896) -- valid
  Poanes aaroni minimus Gatrelle, 1999 -- valid
  Poanes alfaratta W. Holland, 1930 -- invalid
  Poanes freidlei F. Watson, 1920 -- invalid
  Poanes hobomok (T. Harris, 1862) -- valid -- Hobomok Skipper
  Poanes hobomok hobomok (T. Harris, 1862) -- valid
  Poanes hobomok monofascies Gatrelle, 2002 -- invalid
  Poanes hobomok wetona Scott, 1981 -- valid
  Poanes hughi A. Clark, 1931 -- invalid
  Poanes massasoit (Scudder, 1863) -- valid -- Mulberry Wing
  Poanes massasoit chermocki W. Andersen and Simmons, 1976 -- valid
  Poanes massasoit massasoit (Scudder, 1863) -- valid
  Poanes melane (W. H. Edwards, 1869) -- valid -- Umber Skipper
  Poanes melane melane (W. H. Edwards, 1869) -- valid
  Poanes melane vitellina (Herrich-Schäffer, 1869) -- valid
  Poanes pallida F. Watson, 1921 -- invalid
  Poanes ridingsii F. Chermock and R. Chermock, 1940 -- invalid
  Poanes taxiles (W. H. Edwards, 1881) -- valid -- Taxiles Skipper
  Poanes viator (W. H. Edwards, 1865) -- valid -- Broad-winged Skipper
  Poanes viator viator (W. H. Edwards, 1865) -- valid
  Poanes viator zizaniae Shapiro, 1971 -- valid
  Poanes yehl (Skinner, 1893) -- valid -- Yehl Skipper
  Poanes zabulon (Boisduval and Le Conte, 1837) -- valid -- Zabulon Skipper
  Poanopsis Godman, 1900 -- invalid
  Poladryas Bauer, 1961 -- valid
  Poladryas arachne (W. H. Edwards, 1869) -- valid -- Arachne Checkerspot
  Poladryas arachne arachne (W. H. Edwards, 1869) -- valid
  Poladryas arachne expedita Austin in T. Emmel, 1998 -- valid
  Poladryas arachne gilensis (W. Holland, 1930) -- valid
  Poladryas arachne monache (J. A. Comstock, 1918) -- valid
  Poladryas arachne nympha (W. H. Edwards, 1884) -- valid
  Poladryas minuta (W. H. Edwards, 1861) -- valid -- Dotted Checkerspot
  Poladryas minuta minuta (W. H. Edwards, 1861) -- valid
  Polites Scudder, 1872 -- valid
  Polites baracoa (Lucas, 1857) -- valid -- Baracoa Skipper
  Polites baracoa baracoa (Lucas, 1857) -- valid
  Polites carus (W. H. Edwards, 1883) -- valid -- Carus Skipper
  Polites coras (Cramer, 1775) -- invalid -- peck's skipper
  Polites draco (W. H. Edwards, 1871) -- valid -- Draco Skipper
  Polites mardon (W. H. Edwards, 1881) -- valid -- Mardon Skipper
  Polites mardon klamathensis Mattoon, J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Polites mardon mardon (W. H. Edwards, 1881) -- valid
  Polites mystic (W. H. Edwards, 1863) -- valid -- Long Dash
  Polites mystic dacotah (W. H. Edwards, 1871) -- valid
  Polites mystic mystic (W. H. Edwards, 1863) -- valid
  Polites origenes (Fabricius, 1793) -- valid -- Crossline Skipper
  Polites origenes origenes (Fabricius, 1793) -- valid
  Polites origenes rhena (W. H. Edwards, 1878) -- valid
  Polites peckius (W. Kirby, 1837) -- valid -- Peck's Skipper
  Polites peckius peckius (W. Kirby, 1837) -- valid
  Polites peckius surllano Scott, 2006 -- valid
  Polites rhesus (W. H. Edwards, 1878) -- valid -- Rhesus Skipper
  Polites sabuleti (Boisduval, 1852) -- valid -- Sandhill Skipper
  Polites sabuleti aestivalis J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Polites sabuleti albamontana Austin, 1987 -- valid
  Polites sabuleti alkaliensis Austin, 1987 -- valid
  Polites sabuleti basinensis Austin, 1988 -- valid
  Polites sabuleti channelensis J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Polites sabuleti chusca (W. H. Edwards, 1873) -- valid
  Polites sabuleti genoa (Plötz, 1883) -- valid
  Polites sabuleti ministigma Scott, 1981 -- valid
  Polites sabuleti nigrescens Austin, 1987 -- valid
  Polites sabuleti pallida Austin, 1987 -- invalid
  Polites sabuleti sabuleti (Boisduval, 1852) -- valid
  Polites sabuleti sinemaculata Austin, 1987 -- valid
  Polites sabuleti tecumseh (F. Grinnell, 1903) -- valid
  Polites sonora (Scudder, 1872) -- valid -- Sonoran Skipper
  Polites sonora flavaventris Austin in T. Emmel, 1998 -- valid
  Polites sonora longinqua Austin in T. Emmel, 1998 -- valid
  Polites sonora siris (W. H. Edwards, 1881) -- valid
  Polites sonora sonora (Scudder, 1872) -- valid
  Polites sonora utahensis (Skinner, 1911) -- valid
  Polites subreticulata (Plötz, 1883) -- valid
  Polites themistocles (Latreille, 1824) -- valid -- Tawny-edged Skipper
  Polites themistocles themistocles (Latreille, 1824) -- valid
  Polites themistocles turneri H. Freeman, 1944 -- valid
  Polites turneri H. Freeman, 1944 -- invalid
  Polites vibex (Geyer, 1832) -- valid -- Whirlabout
  Polites vibex brettoides (W. H. Edwards, 1883) -- valid
  Polites vibex praeceps (Scudder, 1872) -- valid
  Polites vibex vibex (Geyer, 1832) -- valid
  Polygonia Hübner, 1819 -- valid
  Polygonia comma (T. Harris, 1842) -- valid -- Eastern Comma
  Polygonia faunus (W. H. Edwards, 1862) -- valid -- Green Comma, green comma, polygone à taches vertes
  Polygonia faunus arcticus Leussler, 1935 -- valid
  Polygonia faunus faunus (W. H. Edwards, 1862) -- valid -- 'Green' Green Comma
  Polygonia faunus fulvescens J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Polygonia faunus hylas (W. H. Edwards, 1872) -- valid
  Polygonia faunus rusticus (W. H. Edwards, 1874) -- valid
  Polygonia faunus silvius (W. H. Edwards, 1874) -- invalid -- 'Sylvan' Green Comma
  Polygonia faunus smythi A. Clark, 1937 -- valid
  Polygonia gracilis (Grote and Robinson, 1867) -- valid -- Hoary Comma, hoary comma, polygone gracile
  Polygonia gracilis gracilis (Grote and Robinson, 1867) -- valid
  Polygonia gracilis zephyrus (W. H. Edwards, 1870) -- valid -- 'Zephyr' Hoary Comma
  Polygonia interrogationis (Fabricius, 1798) -- valid -- Question Mark
  Polygonia oreas (W. H. Edwards, 1869) -- valid -- Oreas Comma
  Polygonia oreas nigrozephyrus Scott, 1984 -- valid
  Polygonia oreas oreas (W. H. Edwards, 1869) -- valid
  Polygonia oreas satellow Scott, 2006 -- valid
  Polygonia oreas silenus (W. H. Edwards, 1870) -- valid
  Polygonia oreas threatfuli C. Guppy and J. Shepard, 2001 -- valid
  Polygonia progne (Cramer, 1775) -- valid -- Gray Comma, gray comma, polygone gris
  Polygonia satyrus (W. H. Edwards, 1869) -- valid -- polygone satyre, satyr angle wing, satyr anglewing, Satyr Comma
  Polygonia satyrus neomarsyas dos Passos, 1969 -- valid
  Polygonia satyrus satyrus (W. H. Edwards, 1869) -- valid
  Polygonus Hübner, 1825 -- valid
  Polygonus leo (Gmelin, 1790) -- valid -- Hammock Skipper
  Polygonus leo arizonensis (Skinner, 1911) -- valid
  Polygonus leo histrio Röber, 1925 -- valid
  Polygonus manueli E. Bell and W. Comstock, 1948 -- invalid -- Manuel's Skipper
  Polygonus pallida Röber, 1925 -- invalid
  Polygonus savigny (Latreille, 1824) -- valid
  Polygonus savigny savigny (Latreille, 1824) -- valid
  Polyommatinae Swainson, 1827 -- valid -- Blues
  Polyommatini Swainson, 1827 -- valid
  Polystigma Godman and Salvin, 1886 -- invalid
  Polythrix E. Watson, 1893 -- valid
  Polythrix asine (Hewitson, 1867) -- valid
  Polythrix mexicanus H. Freeman, 1969 -- valid -- Mexican Longtail
  Polythrix octomaculata (Sepp, 1844) -- valid -- Eight-spotted Longtail
  Polythrix procera (Plötz, 1880) -- invalid
  Pompeius Evans, 1955 -- valid
  Pompeius verna (W. H. Edwards, 1862) -- valid -- Little Glassywing
  Pontia [Fabricius], 1807 -- valid
  Pontia beckerii (W. H. Edwards, 1871) -- valid -- Becker's White
  Pontia occidentalis (Reakirt, 1866) -- valid -- Western White
  Pontia occidentalis nelsoni (W. H. Edwards, 1883) -- valid
  Pontia occidentalis occidentalis (Reakirt, 1866) -- valid
  Pontia protodice (Boisduval and Le Conte, 1830) -- valid -- Checkered White
  Pontia sisymbrii (Boisduval, 1852) -- valid -- Spring White
  Pontia sisymbrii beringiensis C. Guppy and Kondla, 2001 -- valid
  Pontia sisymbrii elivata (W. Barnes and Benjamin, 1926) -- valid
  Pontia sisymbrii flavitincta (J. A. Comstock, 1924) -- valid
  Pontia sisymbrii nigravenosa Austin and J. Emmel in T. Emmel, 1998 -- valid
  Pontia sisymbrii nordini (K. Johnson, 1977) -- valid
  Pontia sisymbrii sisymbrii (Boisduval, 1852) -- valid
  Pontia sisymbrii transversa R. Holland, 1995 -- valid
  Prenes Scudder, 1872 -- invalid
  Problema Skinner and R. Williams, 1924 -- valid
  Problema bulenta (Boisduval and Le Conte, 1837) -- valid -- Rare Skipper
  Problema byssus (W. H. Edwards, 1880) -- valid -- Byssus Skipper
  Problema byssus byssus (W. H. Edwards, 1880) -- valid
  Problema byssus kumskaka (Scudder, 1887) -- valid
  Pronophilina Reuter, 1896 -- valid
  Proteides Hübner, 1819 -- valid
  Proteides mercurius (Fabricius, 1787) -- valid -- Mercurial Skipper
  Proteides mercurius mercurius (Fabricius, 1787) -- valid
  Proteides mercurius sanantonio (Lucas, 1857) -- valid
  Pseudocopaeodes Skinner and R. Williams, 1923 -- valid
  Pseudocopaeodes eunus (W. H. Edwards, 1881) -- valid -- Alkali Skipper
  Pseudocopaeodes eunus alinea Scott, 1981 -- valid
  Pseudocopaeodes eunus eunus (W. H. Edwards, 1881) -- valid
  Pseudocopaeodes eunus flavus Austin and J. Emmel in T. Emmel, 1998 -- valid
  Pseudocopaeodes eunus obscurus Austin and J. Emmel in T. Emmel, 1998 -- valid -- Carson wandering Skipper
  Pyrginae Burmeister, 1878 -- valid -- Spread-wing Skippers
  Pyrgini Burmeister, 1878 -- valid
  Pyrgus Hübner, 1819 -- valid
  Pyrgus aconita Plötz, 1884 -- invalid
  Pyrgus adjutrix Plötz, 1884 -- invalid
  Pyrgus albescens Plötz, 1884 -- valid -- White Checkered-Skipper
  Pyrgus argina Plötz, 1884 -- invalid
  Pyrgus centaureae (Rambur, 1842) -- valid -- Grizzled Skipper, grizzled skipper, hespérie grisâtre
  Pyrgus centaureae freija (B. Warren, 1924) -- valid
  Pyrgus centaureae loki Evans, 1953 -- valid
  Pyrgus centaureae wyandot (W. H. Edwards, 1863) -- valid -- 'Appalachian' Grizzled Skipper
  Pyrgus communis (Grote, 1872) -- valid -- Common Checkered-Skipper
  Pyrgus communis communis (Grote, 1872) -- valid
  Pyrgus figara Butler, 1870 -- invalid
  Pyrgus georgina Reakirt, 1868 -- invalid
  Pyrgus insolatrix Plötz, 1884 -- invalid
  Pyrgus montivagus Reakirt, 1867 -- invalid
  Pyrgus nearchus W. H. Edwards, 1882 -- invalid
  Pyrgus occidentalis Skinner, 1906 -- invalid
  Pyrgus oileus (Linnaeus, 1767) -- valid -- Tropical Checkered-Skipper
  Pyrgus philetas W. H. Edwards, 1881 -- valid -- Desert Checkered-Skipper
  Pyrgus ruralis (Boisduval, 1852) -- valid -- Two-banded Checkered-Skipper
  Pyrgus ruralis lagunae Scott, 1981 -- valid -- Laguna Mountains Skipper
  Pyrgus ruralis ruralis (Boisduval, 1852) -- valid
  Pyrgus scriptura (Boisduval, 1852) -- valid -- Small Checkered-Skipper
  Pyrgus scriptura apertorum Austin in T. Emmel, 1998 -- valid
  Pyrgus scriptura scriptura (Boisduval, 1852) -- valid
  Pyrgus textor Hübner, 1831 -- invalid
  Pyrgus varus Plötz, 1884 -- invalid
  Pyrgus xanthus W. H. Edwards, 1878 -- valid -- Mountain Checkered-Skipper
  Pyrisitia Butler, 1870 -- valid
  Pyrisitia dina (Poey, 1832) -- valid
  Pyrisitia dina helios (D. Bates, 1934) -- valid
  Pyrisitia dina westwoodii (Boisduval, 1836) -- valid
  Pyrisitia lisa (Boisduval and Le Conte, 1830) -- valid
  Pyrisitia lisa centralis (Herrich-Schäffer, 1865) -- valid
  Pyrisitia lisa lisa (Boisduval and Le Conte, 1830) -- valid
  Pyrisitia messalina (Fabricius, 1787) -- valid
  Pyrisitia nise (Cramer, 1775) -- valid
  Pyrisitia nise nelphe (R. Felder, 1869) -- valid
  Pyrisitia nise nise (Cramer, 1775) -- valid
  Pyrisitia proterpia (Fabricius, 1775) -- valid
  Pyrrhopyga cyrillus Plötz, 1879 -- invalid
  Pyrrhopyge araxes (Hewitson, 1867) -- invalid -- Dull Firetip
  Pyrrhopygina Mabille, 1877 -- valid
  Pyrrhopyginae Mabille, 1877 -- invalid -- Firetips
  Pyrrhopygini Mabille, 1877 -- valid
  Pyrrhosidia Scudder, 1874 -- invalid
  Quasimellana Burns, 1994 -- valid
  Quasimellana eulogius (Plötz, 1882) -- valid -- Common Mellana
  Quasimellana mexicana (E. Bell, 1942) -- valid
  Rekoa Kaye, 1904 -- valid
  Rekoa marius (Lucas, 1857) -- valid -- Marius Hairstreak
  Rekoa palegon (Cramer, 1780) -- valid -- Gold-bordered Hairstreak
  Rhabdoides Scudder, 1889 -- invalid
  Rhabdoides aereofuscus Gunder, 1925 -- invalid
  Rhabdoides leilae A. Clark, 1930 -- invalid
  Rhinthon Godman, 1900 -- valid
  Rhinthon osca (Plötz, 1882) -- valid -- Osca Skipper
  Riodinidae Grote, 1895 -- valid -- Metalmarks
  Riodininae Grote, 1895 -- valid
  Riodinini Grote, 1895 -- valid
  Sarega Mabille, 1904 -- invalid
  Satyridae Boisduval, 1833 -- invalid -- satyrs, wood nymphs
  Satyrina Boisduval, 1833 -- valid
  Satyrinae Boisduval, 1833 -- valid -- Satyrs
  Satyrini Boisduval, 1833 -- valid
  Satyrium Scudder, 1876 -- valid
  Satyrium (Fixsenia) Tutt, 1907 -- valid
  Satyrium (Satyrium) Scudder, 1876 -- valid
  Satyrium acadica (W. H. Edwards, 1862) -- valid -- Acadian Hairstreak
  Satyrium acadica acadica (W. H. Edwards, 1862) -- valid
  Satyrium acadica coolinensis (F. Watson and W. Comstock, 1920) -- valid
  Satyrium acadica montanensis (F. Watson and W. Comstock, 1920) -- valid
  Satyrium auretorum (Boisduval, 1852) -- valid -- Gold-hunter's Hairstreak
  Satyrium auretorum auretorum (Boisduval, 1852) -- valid
  Satyrium auretorum fumosum J. Emmel and Mattoni, 1990 -- valid
  Satyrium auretorum spadix (Hy. Edwards, 1881) -- valid
  Satyrium behrii (W. H. Edwards, 1870) -- valid -- Behr's Hairstreak
  Satyrium behrii behrii (W. H. Edwards, 1870) -- valid
  Satyrium behrii columbia (McDunnough, 1944) -- valid
  Satyrium behrii crossi (W. D. Field, 1938) -- valid
  Satyrium calanus (Hübner, 1809) -- valid -- Banded Hairstreak
  Satyrium calanus albidus Scott, 1981 -- valid
  Satyrium calanus calanus (Hübner, 1809) -- valid
  Satyrium calanus falacer (Godart, 1824) -- valid
  Satyrium calanus godarti (W. D. Field, 1938) -- valid
  Satyrium californica (W. H. Edwards, 1862) -- valid -- California Hairstreak
  Satyrium californica brashor Kondla and Scott, 2006 -- valid
  Satyrium californica californica (W. H. Edwards, 1862) -- valid
  Satyrium californica cygnus (W. H. Edwards, 1871) -- valid
  Satyrium californica obscurafacies Austin in T. Emmel, 1998 -- valid
  Satyrium californica wapiti M. Fisher, 2006 -- valid
  Satyrium caryaevorum (McDunnough, 1942) -- invalid -- Hickory Hairstreak
  Satyrium caryaevorus (McDunnough, 1942) -- valid
  Satyrium edwardsii (Grote and Robinson, 1867) -- valid -- Edwards' Hairstreak
  Satyrium edwardsii edwardsii (Grote and Robinson, 1867) -- valid
  Satyrium edwardsii meridionale Gatrelle, 2001 -- valid
  Satyrium favonius (J. E. Smith, 1797) -- valid -- Oak Hairstreak
  Satyrium favonius autolycus (W. H. Edwards, 1871) -- valid
  Satyrium favonius favonius (J. E. Smith, 1797) -- valid -- 'Southern' Oak Hairstreak
  Satyrium favonius ontario (W. H. Edwards, 1868) -- valid -- 'Northern' Oak Hairstreak
  Satyrium favonius violae (D. Stallings and Turner, 1947) -- valid
  Satyrium fulginosum (W. H. Edwards, 1861) -- invalid
  Satyrium fuliginosa (W. H. Edwards, 1861) -- valid
  Satyrium fuliginosa albolineatum Mattoon and Austin in T. Emmel, 1998 -- valid
  Satyrium fuliginosa fuliginosa (W. H. Edwards, 1861) -- valid
  Satyrium fuliginosa tildeni Mattoon and Austin in T. Emmel, 1998 -- valid
  Satyrium ilavia (Beutenmüller, 1899) -- valid -- Ilavia Hairstreak
  Satyrium kingi (Klots and Clench, 1952) -- valid -- King's Hairstreak
  Satyrium liparops (Le Conte, 1833) -- valid -- Striped Hairstreak
  Satyrium liparops aliparops (Michener and dos Passos, 1942) -- valid
  Satyrium liparops fletcheri (Michener and dos Passos, 1942) -- valid
  Satyrium liparops floridensis Gatrelle, 2001 -- valid
  Satyrium liparops liparops (Le Conte, 1833) -- valid
  Satyrium liparops strigosa (T. Harris, 1862) -- valid
  Satyrium polingi (W. Barnes and Benjamin, 1926) -- valid -- Poling's Hairstreak
  Satyrium polingi organensis Ferris, 1980 -- valid
  Satyrium polingi polingi (W. Barnes and Benjamin, 1926) -- valid
  Satyrium saepium (Boisduval, 1852) -- valid -- Hedgerow Hairstreak
  Satyrium saepium caliginosum J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Satyrium saepium chalcis (W. H. Edwards, 1869) -- valid
  Satyrium saepium chlorophora (Watson and W. Comstock, 1920) -- valid
  Satyrium saepium fulvescens (Hy. Edwards, 1877) -- valid
  Satyrium saepium latalinea Austin and Savage, 1998 -- valid
  Satyrium saepium obscurofuscum Austin in T. Emmel, 1998 -- valid
  Satyrium saepium provo (F. Watson and W. Comstock, 1920) -- valid
  Satyrium saepium rubrotenebrosum J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Satyrium saepium saepium (Boisduval, 1852) -- valid
  Satyrium saepium subaridum J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Satyrium semiluna Klots, 1930 -- valid
  Satyrium semiluna maculadistinctum Mattoon and Austin in T. Emmel, 1998 -- valid
  Satyrium semiluna semiluna Klots, 1930 -- valid
  Satyrium sylvinus (Boisduval, 1852) -- valid -- Sylvan Hairstreak
  Satyrium sylvinus desertorum (F. Grinnell, 1917) -- valid
  Satyrium sylvinus dryope (W. H. Edwards, 1870) -- valid
  Satyrium sylvinus itys (W. H. Edwards, 1882) -- valid
  Satyrium sylvinus megapallidum Austin in T. Emmel, 1998 -- valid
  Satyrium sylvinus nootka M. Fisher, 1998 -- valid
  Satyrium sylvinus putnami (Hy. Edwards, 1877) -- valid
  Satyrium sylvinus sylvinus (Boisduval, 1852) -- valid
  Satyrium tetra (W. H. Edwards, 1870) -- valid -- Mountain Mahogany Hairstreak
  Satyrium titus (Fabricius, 1793) -- valid -- Coral Hairstreak
  Satyrium titus campus (Gatrelle, 2004) -- valid
  Satyrium titus immaculosus (W. Comstock, 1913) -- valid
  Satyrium titus occidentalis (Austin and J. Emmel in T. Emmel, 1998) -- valid
  Satyrium titus titus (Fabricius, 1793) -- valid
  Satyrium titus watsoni (W. Barnes and Benjamin, 1926) -- valid
  Satyrium titus winteri (Gatrelle, 2004) -- valid
  Satyrodes appalachia (R. Chermock, 1947) -- invalid -- Appalachian Brown
  Satyrodes eurydice (Linnaeus, 1763) -- invalid -- Eyed Brown
  Scantilla Godman and Salvin, 1896 -- invalid
  Scelotrix Rambur, 1858 -- invalid
  Shijimiaeoides battoides allyni Shields, 1975 -- invalid
  Siproeta Hübner, 1823 -- valid
  Siproeta epaphus (Latreille, 1813) -- valid -- Rusty-tipped Page
  Siproeta epaphus epaphus (Latreille, 1813) -- valid
  Siproeta stelenes (Linnaeus, 1758) -- valid -- Malachite
  Siproeta stelenes biplagiata (Fruhstorfer, 1907) -- valid
  Smyrna Hübner, 1823 -- valid
  Smyrna blomfildia (Fabricius, 1781) -- valid -- Blomfild's Beauty
  Smyrna blomfildia datis Fruhstorfer, 1908 -- valid
  Smyrna karwinskii Geyer, 1833 -- valid -- Karwinski's Beauty
  Sostrata Godman and Salvin, 1895 -- valid
  Sostrata bifasciata (Ménétriés, 1829) -- valid -- Blue-studded Skipper
  Sostrata nordica Evans, 1953 -- valid
  Spalgina Toxopeus, 1929 -- valid
  Spalgini Toxopeus, 1929 -- invalid
  Spathilepia Butler, 1870 -- valid
  Spathilepia clonius (Cramer, 1775) -- valid -- Falcate Skipper
  Spathilepia terranea Butler, 1872 -- invalid
  Speyeria Scudder, 1872 -- valid
  Speyeria adiaste (W. H. Edwards, 1864) -- valid -- Unsilvered Fritillary
  Speyeria adiaste adiaste (W. H. Edwards, 1864) -- valid
  Speyeria adiaste atossa (W. H. Edwards, 1890) -- valid
  Speyeria adiaste clemencei (J. A. Comstock, 1925) -- valid
  Speyeria aphrodite (Fabricius, 1787) -- valid
  Speyeria aphrodite alcestis (W. H. Edwards, 1877) -- valid
  Speyeria aphrodite aphrodite (Fabricius, 1787) -- valid
  Speyeria aphrodite byblis (W. Barnes and Benjamin, 1926) -- valid
  Speyeria aphrodite columbia (Hy. Edwards, 1877) -- valid
  Speyeria aphrodite cullasaja Gatrelle, 1998 -- valid
  Speyeria aphrodite ethne (Hemming, 1933) -- valid
  Speyeria aphrodite manitoba (F. Chermock and R. Chermock, 1940) -- valid
  Speyeria aphrodite whitehousei (Gunder, 1932) -- valid
  Speyeria aphrodite winni (Gunder, 1932) -- valid
  Speyeria atlantis (W. H. Edwards, 1862) -- valid -- argynne de l'Atlantique, Atlantis Fritillary, Atlantis fritillary
  Speyeria atlantis atlantis (W. H. Edwards, 1862) -- valid -- 'Atlantis' Atlantis Fritillary
  Speyeria atlantis canadensis (dos Passos, 1935) -- valid
  Speyeria atlantis hesperis (W. H. Edwards, 1864) -- invalid -- 'Hesperis' Atlantis Fritillary
  Speyeria atlantis hollandi (F. Chermock and R. Chermock, 1940) -- valid
  Speyeria atlantis nausicaa (W. H. Edwards, 1874) -- invalid -- 'Southwestern' Atlantis Fritillary
  Speyeria atlantis pahasapa Spomer, Scott and Kondla, 1998 -- valid
  Speyeria atlantis sorocko Scott, Kondla and Spomer, 1998 -- valid
  Speyeria callippe (Boisduval, 1852) -- valid -- Callippe Fritillary
  Speyeria callippe adiasteoides J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria callippe calgariana (McDunnough, 1924) -- valid
  Speyeria callippe callippe (Boisduval, 1852) -- valid -- callippe silverspot Butterfly
  Speyeria callippe chilcotensis C. Guppy and J. Shepard, 2001 -- valid
  Speyeria callippe comstocki (Gunder, 1925) -- valid
  Speyeria callippe elaine dos Passos and Grey, 1945 -- valid
  Speyeria callippe gallatini (McDunnough, 1929) -- valid
  Speyeria callippe hagemani J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria callippe harmonia dos Passos and Grey, 1945 -- valid
  Speyeria callippe inornata (W. H. Edwards, 1872) -- valid
  Speyeria callippe juba (Boisduval, 1969) -- valid
  Speyeria callippe laurina (W. G. Wright, 1905) -- valid
  Speyeria callippe liliana (Hy. Edwards, 1877) -- valid
  Speyeria callippe macaria (W. H. Edwards, 1877) -- valid
  Speyeria callippe meadii (W. H. Edwards, 1872) -- valid
  Speyeria callippe nevadensis (W. H. Edwards, 1870) -- valid
  Speyeria callippe rupestris (Behr, 1863) -- valid
  Speyeria callippe semivirida (McDunnough, 1924) -- valid
  Speyeria callippe shasta J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria carolae (dos Passos and Grey, 1942) -- valid
  Speyeria coronis (Behr, 1864) -- valid -- Coronis Fritillary
  Speyeria coronis coronis (Behr, 1864) -- valid
  Speyeria coronis halcyone (W. H. Edwards, 1869) -- valid
  Speyeria coronis hennei (Gunder, 1934) -- valid
  Speyeria coronis semiramis (W. H. Edwards, 1886) -- valid
  Speyeria coronis simaetha dos Passos and Grey, 1945 -- valid
  Speyeria coronis snyderi (Skinner, 1897) -- valid
  Speyeria cybele (Fabricius, 1775) -- valid -- Great Spangled Fritillary
  Speyeria cybele carpenterii (W. H. Edwards, 1876) -- valid
  Speyeria cybele charlottii (W. Barnes, 1897) -- valid
  Speyeria cybele cybele (Fabricius, 1775) -- valid
  Speyeria cybele eileenae J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria cybele krautwurmi (W. Holland, 1931) -- valid
  Speyeria cybele leto (Behr, 1862) -- valid
  Speyeria cybele letona dos Passos and Grey, 1945 -- valid
  Speyeria cybele novascotiae (McDunnough, 1935) -- valid
  Speyeria cybele pseudocarpenteri (F. Chermock and R. Chermock, 1940) -- valid
  Speyeria cybele pugetensis F. Chermock and Frechin, 1947 -- valid
  Speyeria diana (Cramer, 1777) -- valid -- Diana Fritillary
  Speyeria edwardsii (Reakirt, 1866) -- valid -- Edwards' Fritillary
  Speyeria egleis (Behr, 1862) -- valid -- Great Basin Fritillary
  Speyeria egleis albrighti (Gunder, 1932) -- valid
  Speyeria egleis egleis (Behr, 1862) -- valid
  Speyeria egleis linda (dos Passos and Grey, 1942) -- valid
  Speyeria egleis macdunnoughi (Gunder, 1932) -- valid
  Speyeria egleis mattooni J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Speyeria egleis moecki Hammond and Dornfeld, 1983 -- valid
  Speyeria egleis oweni (W. H. Edwards, 1892) -- valid
  Speyeria egleis reidi Austin in T. Emmel, 1998 -- valid
  Speyeria egleis secreta dos Passos and Grey, 1945 -- valid
  Speyeria egleis tehachapina (J. A. Comstock, 1920) -- valid
  Speyeria egleis toiyabe Howe, 1975 -- valid
  Speyeria egleis utahensis (Skinner, 1919) -- valid
  Speyeria egleis yolaboli J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Speyeria hesperis (W. H. Edwards, 1864) -- valid
  Speyeria hesperis beani (W. Barnes and Benjamin, 1926) -- valid
  Speyeria hesperis brico Kondla, Scott and Spomer, 1998 -- valid
  Speyeria hesperis capitanensis R. Holland, 1988 -- valid
  Speyeria hesperis chitone (W. H. Edwards, 1879) -- valid
  Speyeria hesperis cottlei (J. A. Comstock, 1925) -- valid
  Speyeria hesperis dodgei (Gunder, 1931) -- valid
  Speyeria hesperis dorothea Moeck, 1947 -- valid
  Speyeria hesperis electa (W. H. Edwards, 1878) -- valid
  Speyeria hesperis elko Austin, 1984 -- valid
  Speyeria hesperis greyi Moeck, 1950 -- valid
  Speyeria hesperis hanseni J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria hesperis helena dos Passos and Grey, 1957 -- valid
  Speyeria hesperis hesperis (W. H. Edwards, 1864) -- valid
  Speyeria hesperis hutchinsi dos Passos and Grey, 1947 -- valid
  Speyeria hesperis irene (Boisduval, 1869) -- valid
  Speyeria hesperis lurana dos Passos and Grey, 1945 -- valid
  Speyeria hesperis nausicaa (W. H. Edwards, 1874) -- valid
  Speyeria hesperis ratonensis Scott, 1981 -- valid
  Speyeria hesperis schellbachi Garth, 1949 -- valid
  Speyeria hesperis tetonia dos Passos and Grey, 1945 -- valid
  Speyeria hesperis viola dos Passos and Grey, 1945 -- valid
  Speyeria hydaspe (Boisduval, 1869) -- valid -- Hydaspe Fritillary
  Speyeria hydaspe davisi J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria hydaspe hydaspe (Boisduval, 1869) -- valid
  Speyeria hydaspe minor dos Passos and Grey, 1947 -- valid
  Speyeria hydaspe rhodope (W. H. Edwards, 1877) -- valid
  Speyeria hydaspe tehama J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria hydaspe viridicornis (J. A. Comstock, 1925) -- valid
  Speyeria idalia (Drury, 1773) -- valid -- Regal Fritillary
  Speyeria idalia idalia (Drury, 1773) -- valid
  Speyeria idalia occidentalis B. Williams, 2002 -- valid
  Speyeria mormonia (Boisduval, 1869) -- valid -- Mormon Fritillary
  Speyeria mormonia artonis (W. H. Edwards, 1881) -- valid
  Speyeria mormonia bischoffi (W. H. Edwards, 1870) -- valid
  Speyeria mormonia erinna (W. H. Edwards, 1883) -- valid
  Speyeria mormonia eurynome (W. H. Edwards, 1872) -- valid
  Speyeria mormonia luski (W. Barnes and McDunnough, 1913) -- valid
  Speyeria mormonia mormonia (Boisduval, 1869) -- valid
  Speyeria mormonia obsidiana J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria mormonia opis (W. H. Edwards, 1874) -- valid
  Speyeria mormonia washingtonia (W. Barnes and McDunnough, 1913) -- valid
  Speyeria nokomis (W. H. Edwards, 1862) -- valid -- Nokomis Fritillary
  Speyeria nokomis apacheana (Skinner, 1918) -- valid
  Speyeria nokomis carsonensis Austin in T. Emmel, 1998 -- valid
  Speyeria nokomis coerulescens (W. Holland, 1900) -- valid
  Speyeria nokomis nitocris (W. H. Edwards, 1874) -- valid
  Speyeria nokomis nokomis (W. H. Edwards, 1862) -- valid
  Speyeria zerene (Boisduval, 1852) -- valid -- Zerene Fritillary
  Speyeria zerene behrensii (W. H. Edwards, 1869) -- valid -- Behren's silverspot Butterfly
  Speyeria zerene bremnerii (W. H. Edwards, 1872) -- valid
  Speyeria zerene carolae (dos Passos and Grey, 1942) -- invalid -- 'Spring Mountains' Zerene Fritillary
  Speyeria zerene gloriosa Moeck, 1957 -- valid
  Speyeria zerene gunderi (J. A. Comstock, 1925) -- valid
  Speyeria zerene hippolyta (W. H. Edwards, 1879) -- valid -- Oregon silverspot Butterfly
  Speyeria zerene malcolmi (J. A. Comstock, 1920) -- valid
  Speyeria zerene monticola (Behr, 1863) -- valid
  Speyeria zerene myrtleae dos Passos and Grey, 1945 -- valid -- Myrtle's silverspot Butterfly
  Speyeria zerene picta (McDunnough, 1924) -- valid
  Speyeria zerene platina (Skinner, 1897) -- valid
  Speyeria zerene puntareyes J. Emmel and T. Emmel in T. Emmel, 1998 -- valid
  Speyeria zerene sinope dos Passos and Grey, 1945 -- valid
  Speyeria zerene sitka Hammond, Harry and McCorkle, 2001 -- valid
  Speyeria zerene sonomensis J. Emmel, T. Emmel and Mattoon in T. Emmel, 1998 -- valid
  Speyeria zerene zerene (Boisduval, 1852) -- valid
  Spilothyrus notabilis Strecker, 1878 -- invalid
  Stallingsia H. Freeman, 1959 -- valid
  Stallingsia maculosa (H. Freeman, 1955) -- invalid -- Manfreda Giant-Skipper
  Stallingsia maculosus (H. Freeman, 1955) -- valid
  Staphylus Godman and Salvin, 1896 -- valid
  Staphylus azteca (Scudder, 1872) -- valid
  Staphylus ceos (W. H. Edwards, 1882) -- valid -- Golden-headed Scallopwing
  Staphylus hayhurstii (W. H. Edwards, 1870) -- valid -- Hayhurst's Scallopwing
  Staphylus mazans (Reakirt, 1867) -- valid -- Mazans Scallopwing
  Stinga Evans, 1955 -- valid
  Stinga morrisoni (W. H. Edwards, 1878) -- valid -- Morrison's Skipper
  Stomyles Scudder, 1872 -- invalid
  Strephonota K. Johnson, Austin, Le Crom and Salazar, 1997 -- valid
  Strephonota tephraeus (Geyer, 1837) -- valid
  Strymon Hübner, 1818 -- valid
  Strymon acis (Drury, 1773) -- valid -- Bartram's Scrub-Hairstreak
  Strymon acis bartrami (W. Comstock and Huntington, 1943) -- valid
  Strymon albata (C. Felder and R. Felder, 1865) -- valid -- White Scrub-Hairstreak
  Strymon alea (Godman and Salvin, 1887) -- valid -- Lacey's Scrub-Hairstreak
  Strymon avalona (W. G. Wright, 1905) -- valid -- Avalon Scrub-Hairstreak
  Strymon bazochii (Godart, 1824) -- valid -- Lantana Scrub-Hairstreak
  Strymon bazochii bazochii (Godart, 1824) -- valid
  Strymon bebrycia (Hewitson, 1868) -- valid -- Red-lined Scrub-Hairstreak
  Strymon cestri (Reakirt, 1867) -- valid -- Tailless Scrub-Hairstreak
  Strymon istapa (Reakirt, 1867) -- valid -- Mallow Scrub-Hairstreak
  Strymon istapa clenchi Austin and J. Emmel in T. Emmel, 1998 -- valid
  Strymon istapa istapa (Reakirt, 1867) -- valid
  Strymon istapa modesta (Maynard, 1873) -- valid
  Strymon limenia (Hewitson, 1868) -- valid -- Disguised Scrub-Hairstreak
  Strymon martialis (Herrich-Schäffer, 1864) -- valid -- Martial Scrub-Hairstreak
  Strymon melinus Hübner, 1818 -- valid -- cotton square borer, gray hairstreak, Gray Hairstreak, porte-queue gris
  Strymon melinus atrofasciata McDunnough, 1921 -- valid
  Strymon melinus franki W. D. Field, 1938 -- valid
  Strymon melinus humuli (T. Harris, 1842) -- valid
  Strymon melinus melinus Hübner, 1818 -- valid
  Strymon melinus pudica (Hy. Edwards, 1877) -- valid
  Strymon melinus setonia McDunnough, 1927 -- valid
  Strymon rufofusca (Hewitson, 1877) -- valid -- Red-crescent Scrub-Hairstreak
  Strymon serapio (Godman and Salvin, 1887) -- valid -- Bromeliad Scrub-Hairstreak
  Strymon yojoa (Reakirt, 1867) -- valid -- Yojoa Scrub-Hairstreak
  Symmachia Sodoffsky, 1837 -- invalid
  Synapte Mabille, 1904 -- valid
  Synapte malitiosa (Herrich-Schäffer, 1865) -- valid -- Malicious Skipper
  Synapte pecta Evans, 1955 -- valid
  Synapte salenus (Mabille, 1883) -- valid -- Salenus Skipper
  Synapte shiva (Evans, 1955) -- valid
  Synapte syraces (Godman, 1901) -- valid -- Faceted Skipper
  Syrichtus alba W. H. Edwards, 1866 -- invalid
  Syrichtus caespitatis Boisduval, 1852 -- invalid
  Syrichtus macdunnoughi Oberthür, 1914 -- invalid
  Syrichtus oceanus W. H. Edwards, 1871 -- invalid
  Syrichtus petreius W. H. Edwards, 1870 -- invalid
  Systasea W. H. Edwards, 1877 -- valid
  Systasea pulverulenta (R. Felder, 1869) -- valid -- Texas Powdered-Skipper
  Systasea zampa (W. H. Edwards, 1876) -- valid -- Arizona Powdered-Skipper
  Tagiades taeniatus Plötz, 1884 -- invalid
  Tegosa Higgins, 1981 -- valid
  Tegosa luka Higgins, 1981 -- valid
  Telegonini Burmeister, 1878 -- invalid
  Telegonus Hübner, 1819 -- invalid
  Telegonus fabrici Ehrmann, 1918 -- invalid
  Telegonus rotundatus Mabille, 1883 -- invalid
  Teleomorpha B. Warren, 1926 -- invalid
  Temenis Hübner, 1819 -- valid
  Temenis laothoe (Cramer, 1777) -- valid
  Temenis laothoe hondurensis Fruhstorfer, 1907 -- valid
  Texola Higgins, 1959 -- valid
  Texola elada (Hewitson, 1868) -- valid -- Elada Checkerspot
  Texola elada perse (W. H. Edwards, 1882) -- valid
  Texola elada ulrica (W. H. Edwards, 1877) -- valid
  Thanaos Boisduval, 1834 -- invalid
  Thanaos albomarginatus Godman, 1899 -- invalid
  Thanaos cervantes Graslin, 1836 -- invalid
  Thanaos invisus Butler and H. Druce, 1872 -- invalid
  Thanaos maestus Godman, 1899 -- invalid
  Thanaos paterculus Herrich-Schäffer, 1863 -- invalid
  Thanaos quercus Butler, 1870 -- invalid
  Theclinae Swainson, 1831 -- valid -- Hairstreaks
  Theclini Swainson, 1831 -- valid
  Thespieus Godman, 1900 -- valid
  Thespieus macareus (Herrich-Schäffer, 1869) -- valid -- Chestnut-marked Skipper
  Thessia Steinhauser, 1989 -- valid
  Thessia jalapus (Plötz, 1881) -- valid
  Thorbyes integra Lanktree, 1968 -- invalid
  Thorybes Scudder, 1872 -- valid
  Thorybes albosuffusa Scott, 1986 -- invalid
  Thorybes bathyllus (J. E. Smith, 1797) -- valid -- Southern Cloudywing
  Thorybes confusis E. Bell, 1923 -- valid -- Confused Cloudywing
  Thorybes diversus E. Bell, 1927 -- valid -- Western Cloudywing
  Thorybes drusius (W. H. Edwards, 1884) -- valid -- Drusius Cloudywing
  Thorybes mexicana (Herrich-Schäffer, 1869) -- valid
  Thorybes mexicana aemilea (Skinner, 1893) -- valid
  Thorybes mexicana blanca Scott, 1981 -- valid
  Thorybes mexicana dobra Evans, 1952 -- valid
  Thorybes mexicana nevada Scudder, 1872 -- valid
  Thorybes mexicanus (Herrich-Schäffer, 1869) -- invalid -- Mexican Cloudywing
  Thorybes mexicanus dobra Evans, 1952 -- invalid
  Thorybes mexicanus mexicanus (Herrich-Schäffer, 1869) -- invalid
  Thorybes mexicanus nevada Scudder, 1872 -- invalid
  Thorybes mysie Dyar, 1904 -- invalid
  Thorybes paucipuncta Dyar, 1917 -- invalid
  Thorybes pylades (Scudder, 1870) -- valid -- Northern Cloudywing
  Thorybes pylades albosuffusa H. Freeman, 1943 -- valid
  Thorybes pylades indistinctus Austin and J. Emmel in T. Emmel, 1998 -- valid
  Thorybes pylades pylades (Scudder, 1870) -- valid
  Thymele [Fabricius], 1807 -- invalid
  Thymele albifasciatus Röber, 1925 -- invalid
  Thymele borja Ehrmann, 1907 -- invalid
  Thymele montezuma Scudder, 1872 -- invalid
  Thymele sumichrasti Scudder, 1872 -- invalid
  Thymele thiemei Ehrmann, 1907 -- invalid
  Thymelicini Tutt, 1905 -- valid
  Thymelicus Hübner, 1819 -- valid
  Thymelicus erynnioides Dyar, 1907 -- invalid
  Thymelicus lineola (Ochsenheimer, 1808) -- valid -- European Skipper, European skipper, hespérie des graminées
  Thymelicus lineola lineola (Ochsenheimer, 1808) -- valid
  Thymelicus macra Plötz, 1884 -- invalid
  Thymelicus nubs Scudder, 1889 -- invalid
  Thymelicus pallida Tutt, 1896 -- invalid
  Thymelicus puer Hübner, 1823 -- invalid
  Thymelicus pustula Geyer, 1832 -- invalid
  Thymelicus weetamoo Scudder, 1889 -- invalid
  Thymeticus hylax W. H. Edwards, 1871 -- invalid
  Timochares Godman and Salvin, 1896 -- valid
  Timochares ruptifasciata (Plötz, 1884) -- valid
  Timochares ruptifasciatus (Plötz, 1884) -- invalid -- Brown-banded Skipper
  Tmetocerus Poujade, 1895 -- invalid
  Tmolus Hübner, 1819 -- valid
  Tmolus echion (Linnaeus, 1767) -- valid -- Red-spotted Hairstreak
  Tmolus echion echiolus (Draudt, 1920) -- valid
  Troidina Talbot, 1939 -- valid
  Troidini Talbot, 1939 -- valid
  Typhedanus Butler, 1870 -- valid
  Typhedanus undulatus (Hewitson, 1867) -- valid -- Mottled Longtail
  Udara Toxopeus, 1928 -- valid
  Udara (Vaga) Zimmerman, 1958 -- valid
  Udara blackburni (Tuely, 1878) -- valid
  Urbanus Hübner, 1807 -- valid
  Urbanus acawoios (R. Williams, 1926) -- invalid
  Urbanus belli (Hayward, 1935) -- valid -- Double-striped Longtail
  Urbanus dorantes (Stoll, 1790) -- valid -- Dorantes Longtail
  Urbanus dorantes dorantes (Stoll, 1790) -- valid
  Urbanus dorantes santiago (Lucas, 1857) -- valid
  Urbanus doryssus (Swainson, 1831) -- valid -- White-tailed Longtail
  Urbanus doryssus doryssus (Swainson, 1831) -- valid
  Urbanus elegans (Hayward, 1933) -- invalid
  Urbanus esmeraldus (Butler, 1877) -- valid -- Esmeralda Longtail
  Urbanus plinius E. Bell, 1956 -- invalid
  Urbanus procne (Plötz, 1881) -- valid -- Brown Longtail
  Urbanus pronus Evans, 1952 -- valid -- Pronus Longtail
  Urbanus proteus (Linnaeus, 1758) -- valid -- bean leafroller, Long-tailed Skipper
  Urbanus proteus proteus (Linnaeus, 1758) -- valid
  Urbanus simplicius (Stoll, 1790) -- valid -- Plain Longtail
  Urbanus skinneri Gunder, 1927 -- invalid
  Urbanus tanna Evans, 1952 -- valid -- Tanna Longtail
  Urbanus teleus (Hübner, 1821) -- valid -- Teleus Longtail
  Urbanus velinus (Plötz, 1880) -- valid
  Urbicola Tutt, 1905 -- invalid
  Vacciniina optilete (Knoch, 1781) -- invalid -- Cranberry Blue
  Vanessa [Fabricius], 1807 -- valid
  Vanessa annabella (W. D. Field, 1971) -- valid -- West Coast Lady
  Vanessa atalanta (Linnaeus, 1758) -- valid -- Red Admiral, red admiral, vulcain
  Vanessa atalanta rubria (Fruhstorfer, 1909) -- valid
  Vanessa cardui (Linnaeus, 1758) -- valid -- belle dame, Painted Lady, painted lady
  Vanessa tameamea Escholtz, 1821 -- valid -- Kamehameha Lady
  Vanessa virginiensis (Drury, 1773) -- valid -- American Lady, American painted lady, painted beauty, vanesse virginiensis
  Vettius Godman, 1901 -- valid
  Vettius fantasos (Cramer, 1780) -- valid -- Fantastic Skipper
  Victorinini Scudder, 1893 -- valid
  Vidius Evans, 1955 -- valid
  Vidius perigenes (Godman, 1900) -- valid -- Pale-rayed Skipper
  Wallengrenia Berg, 1897 -- valid
  Wallengrenia egeremet (Scudder, 1863) -- valid -- Northern Broken-Dash
  Wallengrenia otho (J. E. Smith, 1797) -- valid -- Southern Broken-Dash
  Wallengrenia otho clavus (Erichson, 1849) -- valid
  Wallengrenia otho otho (J. E. Smith, 1797) -- valid
  Windia H. Freeman, 1969 -- valid
  Windia windi H. Freeman, 1969 -- valid
  Xenophanes Godman and Salvin, 1895 -- valid
  Xenophanes perplexus E. Bell, 1942 -- invalid
  Xenophanes ruatanensis Godman and Salvin, 1895 -- invalid
  Xenophanes tryxus (Stoll in Cramer, 1780) -- valid -- Glassy-winged Skipper
  Yvretta Hemming, 1935 -- invalid
  Zerene Hübner, 1819 -- valid
  Zerene cesonia (Stoll, 1790) -- valid
  Zerene cesonia cesonia (Stoll, 1790) -- valid
  Zerene eurydice (Boisduval, 1855) -- valid
  Zestusa Lindsey, 1925 -- valid
  Zestusa dorus (W. H. Edwards, 1882) -- valid -- Short-tailed Skipper
  Ziegleria K. Johnson, 1993 -- valid
  Ziegleria guzanta (Schaus, 1902) -- valid
  Zizula Chapman, 1910 -- valid
  Zizula cyna (W. H. Edwards, 1881) -- valid -- Cyna Blue
   

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