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Source: Plecoptera Species File, database (version 5.0)

ITIS records citing this source
 
 Kingdom Animalia
  Allocapnia Claassen, 1928 -- valid
  Allocapnia aurora Ricker, 1952 -- valid -- Aurora Snowfly
  Allocapnia brooksi Ross, 1964 -- valid -- Sevier Snowfly
  Allocapnia cunninghami Ross and Ricker, 1971 -- valid -- Karst Snowfly
  Allocapnia curiosa Frison, 1942 -- valid -- Peculiar Snowfly
  Allocapnia forbesi Frison, 1929 -- valid -- Three-knobbed Snowfly
  Allocapnia frisoni Ross and Ricker, 1964 -- valid -- Evansville Snowfly
  Allocapnia frumi Kirchner, 1982 -- valid -- Monongahela Snowfly
  Allocapnia fumosa Ross, 1964 -- valid -- Smokies Snowfly
  Allocapnia granulata (Claassen, 1924) -- valid -- Common Snowfly
  Allocapnia harperi Kirchner, 1980 -- valid -- Stonyfork Snowfly
  Allocapnia illinoensis Frison, 1935 -- valid -- Illinois Snowfly
  Allocapnia indianae Ricker, 1952 -- valid -- Indiana Snowfly
  Allocapnia jeanae Ross, 1964 -- valid -- Osage Snowfly
  Allocapnia loshada Ricker, 1952 -- valid -- Recurved Snowfly
  Allocapnia malverna Ross, 1964 -- valid -- Gulf Snowfly
  Allocapnia maria Hanson, 1942 -- valid -- Two-knobbed Snowfly
  Allocapnia menawa Grubbs and Sheldon, 2008 -- valid -- Menawa Snowfly
  Allocapnia mohri Ross and Ricker, 1964 -- valid -- Ouachita Snowfly
  Allocapnia muskogee Grubbs and Sheldon, 2008 -- valid -- Muskogee Snowfly
  Allocapnia mystica Frison, 1929 -- valid -- Moraine Snowfly
  Allocapnia nivicola (Fitch, 1847) -- valid -- Brook Snowfly
  Allocapnia ohioensis Ross and Ricker, 1964 -- valid -- Ohio Snowfly
  Allocapnia oribata Poulton and Stewart, 1987 -- valid -- Bowed Snowfly
  Allocapnia ozarkana Ross, 1964 -- valid -- Ozark Snowfly
  Allocapnia pechumani Ross and Ricker, 1964 -- valid -- St. Lawrence Snowfly
  Allocapnia peltoides Ross and Ricker, 1964 -- valid -- Shield Snowfly
  Allocapnia perplexa Ross and Ricker, 1971 -- valid -- Perplexing Snowfly
  Allocapnia polemistis Ross and Ricker, 1971 -- valid -- Black Warrior Snowfly
  Allocapnia pygmaea (Burmeister, 1839) -- valid -- Pygmy Snowfly
  Allocapnia recta (Claassen, 1924) -- valid -- Eastern Snowfly
  Allocapnia rickeri Frison, 1942 -- valid -- Midwest Snowfly
  Allocapnia sandersoni Ricker, 1952 -- valid -- Notched Snowfly
  Allocapnia sano Grubbs, 2006 -- valid -- Sano Snowfly
  Allocapnia sequatchie Kondratieff and Kirchner, 2000 -- valid -- Sequatchie Snowfly
  Allocapnia simmonsi Kondratieff and Voshell, 1981 -- valid -- Spatulate Snowfly
  Allocapnia smithi Ross and Ricker, 1971 -- valid -- Three-lobed Snowfly
  Allocapnia stannardi Ross, 1964 -- valid -- Blueridge Snowfly
  Allocapnia starki Kondratieff and Kirchner, 2000 -- valid -- Mississippi Snowfly
  Allocapnia tennessa Ross and Ricker, 1964 -- valid -- Tennessee Snowfly
  Allocapnia tsalagi Grubbs, 2008 -- valid -- Tsalagi Snowfly
  Allocapnia unzickeri Ross and Yamamoto, 1966 -- valid -- Cumberland Snowfly
  Allocapnia virginiana Frison, 1942 -- valid -- Virginiana Snowfly
  Allocapnia vivipara (Claassen, 1924) -- valid -- Shortwing Snowfly
  Allocapnia warreni Ross and Yamamoto, 1966 -- valid -- Arkansas Snowfly
  Allocapnia wrayi Ross, 1964 -- valid -- Pristine Snowfly
  Allocapnia yasumatsui Kohno, 1951 -- invalid
  Allocapnia zekia Ross, 1964 -- invalid
  Allocapnia zola Ricker, 1952 -- valid -- Ash Snowfly
  Allocapniella Kawai, 1955 -- invalid
  Allocapniella babaensis Illies, 1966 -- invalid
  Allocapniella babensis Kawai, 1967 -- invalid
  Allocapniella elongata Illies, 1966 -- invalid
  Allocapniella elongata Kawai, 1967 -- invalid
  Allocapniella monticola Kawai, 1955 -- invalid
  Allocapniella verdea Illies, 1966 -- invalid
  Allocapniella verdea Kawai, 1967 -- invalid
  Apteroperla Matsumura, 1931 -- valid
  Apteroperla babensis (Kawai, 1967) -- valid
  Apteroperla elongata (Kawai, 1967) -- valid
  Apteroperla monticola (Kawai, 1955) -- valid
  Apteroperla tikumana (Uéno, 1938) -- valid
  Apteroperla verdea (Kawai, 1967) -- valid
  Apteroperla yazawai Matsumura, 1931 -- valid
  Arsapnia Banks, 1897 -- valid
  Arsapnia arapahoe (Nelson and Kondratieff, 1988) -- invalid -- Arapahoe Snowfly
  Arsapnia bakeri Banks, 1918 -- invalid
  Arsapnia coyote (Nelson and Baumann, 1987) -- valid -- Coyote Snowfly
  Arsapnia decepta Banks, 1897 -- valid -- Shortbeak Snowfly
  Arsapnia grandis Banks, 1907 -- invalid
  Arsapnia pileata (Jewett, 1966) -- valid -- Birdhead Snowfly
  Arsapnia sequoia (Nelson and Baumann, 1987) -- valid -- Sequoia Snowfly
  Arsapnia teresa (Claassen, 1924) -- valid -- Bernardino Snowfly
  Arsapnia tumida (Claassen, 1924) -- valid -- Swollen Snowfly
  Arsapnia utahensis (Gaufin and Jewett, 1962) -- valid -- Utah Snowfly
  Baikaloperla Zapekina-Dulkeit and Zhiltzova, 1973 -- valid
  Baikaloperla elongata Zapekina-Dulkeit and Zhiltzova, 1973 -- valid
  Baikaloperla kozhovi Zapekina-Dulkeit and Zhiltzova, 1973 -- valid
  Bolshecapnia Ricker, 1965 -- valid
  Bolshecapnia gregsoni (Ricker, 1965) -- valid -- Alpine Snowfly
  Bolshecapnia maculata (Jewett, 1954) -- invalid
  Bolshecapnia milami (Nebeker and Gaufin, 1967) -- valid -- Glacier Snowfly
  Bolshecapnia missiona Baumann and Potter, 2007 -- invalid
  Bolshecapnia rogozera (Ricker, 1965) -- valid -- Moosehorn Snowfly
  Bolshecapnia sasquatchi (Ricker, 1965) -- invalid
  Bolshecapnia spenceri (Ricker, 1965) -- valid -- Ice Snowfly
  Capnella Claassen, 1924 -- invalid
  Capnella granulata Claassen, 1924 -- invalid
  Capnella recta Claassen, 1924 -- invalid
  Capnella vivipara Claassen, 1924 -- invalid
  Capnia Pictet, 1841 -- valid
  Capnia (Utacapnia) Nebeker and Gaufin, 1967 -- invalid
  Capnia (Utacapnia) Gaufin, 1970 -- invalid
  Capnia affinis Morton, 1896 -- valid
  Capnia ahngeri Koponen, 1949 -- valid
  Capnia aligera Zapekina-Dulkeit, 1975 -- valid
  Capnia alternata Zapekina-Dulkeit, 1975 -- valid
  Capnia ansobiensis Zhiltzova, 1974 -- valid
  Capnia arapahoe Nelson and Kondratieff, 1988 -- invalid
  Capnia arensi Zhiltzova, 1964 -- valid
  Capnia arizonensis Baumann and Gaufin, 1969 -- invalid
  Capnia asakawana Kohno, 1952 -- valid
  Capnia atra Morton, 1896 -- valid
  Capnia autumna Baumann and Gaufin, 1970 -- invalid
  Capnia badakhshanica Zhiltzova, 1974 -- valid
  Capnia bakeri (Banks, 1918) -- invalid
  Capnia barbata Frison, 1944 -- invalid
  Capnia bargusinica Zapekina-Dulkeit, 1975 -- valid
  Capnia bergi Ricker, 1965 -- invalid
  Capnia beringi Ricker, 1965 -- invalid
  Capnia bicornata Alouf, 1992 -- valid
  Capnia bicuspidata Zhiltzova, 1974 -- valid
  Capnia bifida Jewett, 1960 -- valid
  Capnia bimaculata Zhiltzova, 1969 -- valid
  Capnia bituberculata Uéno, 1929 -- valid
  Capnia brevicauda Claassen, 1924 -- invalid
  Capnia breviptera Kawai, 1957 -- valid
  Capnia californica Claassen, 1924 -- valid -- California Snowfly
  Capnia caryi Baumann and Jacobi, 2002 -- valid -- Mogollon Snowfly
  Capnia cheama Ricker, 1965 -- valid -- Cheama Snowfly
  Capnia coloradensis Claassen, 1937 -- valid -- Colorado Snowfly
  Capnia columbiana Claassen, 1924 -- invalid
  Capnia confusa Claassen, 1936 -- valid -- Widespread Snowfly
  Capnia cordata Kimmins, 1947 -- valid
  Capnia coyote Nelson and Baumann, 1987 -- invalid
  Capnia crinita Needham and Claassen, 1925 -- invalid
  Capnia decepta (Banks, 1897) -- invalid
  Capnia disala Jewett, 1962 -- invalid
  Capnia distincta Frison, 1937 -- invalid
  Capnia elevata Frison, 1942 -- invalid
  Capnia elongata Claassen, 1924 -- valid -- Cascades Snowfly
  Capnia endemica Zapekina-Dulkeit, 1955 -- invalid
  Capnia ensicala Jewett, 1962 -- invalid
  Capnia erecta Jewett, 1955 -- valid -- Erect Snowfly
  Capnia excavata Claassen, 1924 -- valid -- Saddleback Snowfly
  Capnia femina Kawai, 1968 -- valid
  Capnia fialai Nelson and Baumann, 1990 -- valid -- Humboldt Snowfly
  Capnia fibula Claassen, 1924 -- invalid
  Capnia flebilis Kohno, 1952 -- valid
  Capnia frisoni Baumann and Gaufin, 1970 -- invalid
  Capnia fukushimana Kohno, 1952 -- valid
  Capnia fumigata Claassen, 1937 -- invalid
  Capnia gibbera Jewett, 1960 -- valid
  Capnia giulianii Nelson and Baumann, 1987 -- valid
  Capnia glabra Claassen, 1924 -- valid -- Smooth Snowfly
  Capnia gracilaria Claassen, 1924 -- valid -- Slender Snowfly
  Capnia gregsoni Ricker, 1965 -- invalid
  Capnia guentheri Joost, 1970 -- invalid
  Capnia hamifera Zhiltzova, 1969 -- valid
  Capnia hingstoni Kimmins, 1947 -- valid
  Capnia hitchcocki Nelson and Baumann, 1987 -- valid -- Arroyo Snowfly
  Capnia hornigi Baumann and Sheldon, 1984 -- invalid
  Capnia imbera Nebeker and Gaufin, 1965 -- invalid
  Capnia inyo Nelson and Baumann, 1987 -- valid -- Inyo Snowfly
  Capnia iturupiensis Zhiltzova, 1980 -- valid
  Capnia jankowskajae Zhiltzova, 1974 -- valid
  Capnia japonica Okamoto, 1922 -- valid
  Capnia jewetti Frison, 1942 -- valid -- Spring Snowfly
  Capnia kersti Nelson, 2004 -- valid -- Eugene Snowfly
  Capnia khubsugulica Zhiltzova and Varykhanova, 1987 -- valid
  Capnia kibuneana Kawai, 1957 -- valid
  Capnia kolymensis Zhiltzova, 1981 -- valid
  Capnia kurnakovi Zhiltzova in Zhilthova and Levanidova, 1978 -- valid
  Capnia labradora Ricker, 1954 -- invalid
  Capnia lacustra Jewett, 1965 -- valid -- Lake Snowfly
  Capnia lapwae Baumann and Gaufin, 1970 -- invalid
  Capnia lemoniana Nebeker and Gaufin, 1965 -- invalid
  Capnia lepnevae Zapekina-Dulkeit, 1957 -- valid
  Capnia levanidovae Kawai, 1969 -- valid
  Capnia libera Navás, 1909 -- invalid
  Capnia licina Jewett, 1954 -- valid -- Bent Snowfly
  Capnia lineata Hanson, 1943 -- valid -- Straight Snowfly
  Capnia logana Nebeker and Gaufin, 1965 -- invalid
  Capnia longicauda Zhiltzova, 1969 -- valid
  Capnia maculata Jewett, 1954 -- invalid
  Capnia manii Jewett, 1958 -- valid
  Capnia manitoba Claassen, 1924 -- invalid
  Capnia mariposa Nelson and Baumann, 1987 -- valid -- Mariposa Snowfly
  Capnia melia Frison, 1942 -- valid -- Northwest Snowfly
  Capnia milami Nebeker and Gaufin, 1967 -- invalid
  Capnia mitsuseana Hanada, 2018 -- valid
  Capnia mono Nelson and Baumann, 1987 -- invalid
  Capnia montana Kimmins, 1947 -- valid
  Capnia montivaga Kimmins, 1947 -- valid
  Capnia naebensis Kawai, 1967 -- valid
  Capnia nana Claassen, 1924 -- valid -- Dwarf Snowfly
  Capnia naraiensis Kawai, 1957 -- valid
  Capnia nearctica Banks, 1919 -- valid -- Nearctic Snowfly
  Capnia nelsoni Kondratieff and Baumann, 2002 -- valid -- Coffeepot Snowfly
  Capnia nigra (Pictet, 1833) -- valid
  Capnia nigra sibirica Zapekina-Dulkeit, 1955 -- invalid
  Capnia nivalis Uéno, 1929 -- invalid
  Capnia noshaqensis Kawai, 1966 -- valid
  Capnia oblata Chen and Du, 2017 -- valid
  Capnia oenone Neave, 1929 -- invalid
  Capnia ophiona Nelson and Baumann, 1987 -- valid -- Snakehead Snowfly
  Capnia oregona Frison, 1942 -- valid -- Oregon Snowfly
  Capnia palomar Nelson and Baumann, 1987 -- invalid
  Capnia pedestris Kimmins, 1947 -- valid
  Capnia petila Jewett, 1954 -- valid -- Thin Snowfly
  Capnia pileata Jewett, 1966 -- invalid
  Capnia poda Nebeker and Gaufin, 1965 -- invalid
  Capnia porrecta Jewett, 1954 -- invalid
  Capnia potikhae Zhiltzova in Potikha and Zhiltzpva, 1996 -- valid
  Capnia projecta Frison, 1937 -- invalid
  Capnia prolongata Zhiltzova, 1969 -- valid
  Capnia promota Frison, 1937 -- valid -- Pacific Snowfly
  Capnia pygmaea (Zetterstedt, 1840) -- valid
  Capnia qilianshana Li and Yang, 2009 -- valid
  Capnia quadrituberosa Hitchcock, 1958 -- valid -- Four-knobbed Snowfly
  Capnia rara Zapekina-Dulkeit, 1970 -- valid
  Capnia regilla Nelson and Baumann, 1987 -- valid -- Royal Snowfly
  Capnia rogozera Ricker, 1965 -- invalid
  Capnia saratoga Nelson and Baumann, 1987 -- valid -- Saratoga Snowfly
  Capnia sasquatchi Ricker, 1965 -- invalid
  Capnia scobina Jewett, 1966 -- valid -- Rasp Snowfly
  Capnia sequoia Nelson and Baumann, 1987 -- invalid
  Capnia sevanica Zhiltzova, 1964 -- invalid
  Capnia sextuberculata Jewett, 1954 -- valid -- Six-knobbed Snowfly
  Capnia shasta Nelson and Baumann, 2009 -- valid -- Shasta Snowfly
  Capnia shepardi Nelson and Baumann, 1987 -- invalid -- Yuba Snowfly
  Capnia shirahatae Kohno, 1952 -- valid
  Capnia shugnanica Zhiltzova, 1974 -- valid
  Capnia sidimiensis Zhiltzova, 1979 -- valid
  Capnia sierra Nebeker and Gaufin, 1965 -- invalid
  Capnia singularis Zhiltzova, 1974 -- valid
  Capnia spenceri Ricker, 1965 -- invalid
  Capnia spinulosa Claassen, 1937 -- valid -- San Gabriel Snowfly
  Capnia storkani Sámal, 1935 -- valid
  Capnia sugluka Ricker, 1965 -- invalid
  Capnia tahoensis Nebeker and Gaufin, 1965 -- invalid
  Capnia takahashii Okamoto, 1922 -- valid
  Capnia teresa Claassen, 1924 -- invalid
  Capnia tibetana Kimmins, 1947 -- valid
  Capnia trava Nebeker and Gaufin, 1965 -- invalid
  Capnia triangulipennis Jewett, 1975 -- valid
  Capnia trispinosa Chen and Du, 2017 -- valid
  Capnia tshukotica Zhiltzova and Levanidova, 1978 -- valid
  Capnia tuberculata Zhiltzova, 1964 -- invalid
  Capnia turkestanica Kimmins, 1950 -- invalid
  Capnia turkestanica brevicula Berthélemy and Dia, 1982 -- invalid
  Capnia uintahi Gaufin, 1964 -- valid -- Uintah Snowfly
  Capnia umpqua Frison, 1942 -- valid -- Umpqua Snowfly
  Capnia utahensis Gaufin and Jewett, 1962 -- invalid
  Capnia valhalla Nelson and Baumann, 1987 -- valid -- Viking Snowfly
  Capnia variabilis Klapálek, 1920 -- invalid
  Capnia venosa (Banks, 1900) -- invalid
  Capnia ventura Nelson and Baumann, 1987 -- valid -- Ventura Snowfly
  Capnia vernalis Newport, 1848 -- valid -- Vernal Snowfly
  Capnia vidua Klapálek, 1904 -- valid
  Capnia vidua altaica Zapekina-Dulkeit, 1955 -- invalid
  Capnia wanica Frison, 1944 -- invalid
  Capnia werneri Baumann and Gaufin, 1970 -- invalid
  Capnia willametta Jewett, 1955 -- valid -- Willamette Snowfly
  Capnia xiei Chen and Du, 2017 -- valid
  Capnia yasumatsui (Kohno, 1951) -- valid
  Capnia yoloensis Baumann and Gaufin, 1970 -- invalid
  Capnia yosemite Nelson and Baumann, 1987 -- invalid
  Capnia yunnana Li and Yang, 2011 -- valid
  Capnia zaicevi Klapálek, 1914 -- valid
  Capnia zijinshana Du and Chen, 2016 -- valid
  Capnia zukeli Hanson, 1943 -- valid -- Idaho Snowfly
  Capniella Klapálek, 1920 -- valid
  Capniella endemica (Zapekina-Dulkeit, 1955) -- valid
  Capniella ghilarovi Zhiltzova, 1988 -- valid
  Capniella nodosa Klapálek, 1920 -- valid
  Capniidae Banks, 1900 -- valid -- Capniid winter stoneflies, small winter stoneflies, Snowflies
  Capniinae Banks, 1900 -- invalid
  Capnioneura Ris, 1905 -- valid
  Capnioneura aptera Berthélemy, 1969 -- valid
  Capnioneura atlasica Vinçon, El Alami and Errochdi, 2014 -- valid
  Capnioneura balkanica Baumann and Kacanski, 1975 -- valid
  Capnioneura balkanica balkanica Baumann and Kacanski, 1975 -- valid
  Capnioneura balkanica macedonica Ikonomov, 1978 -- valid
  Capnioneura bolkari Vinçon and Sivec, 2011 -- valid
  Capnioneura brachyptera Despax, 1932 -- valid
  Capnioneura caucasica Zhiltzova, 1964 -- valid
  Capnioneura gelesae Berthélemy and Baena-Ruiz, 1984 -- valid
  Capnioneura gouanerae Vinçon and Sivec, 2011 -- valid
  Capnioneura libera (Navás, 1909) -- valid
  Capnioneura mitis Despax, 1932 -- valid
  Capnioneura narcea Vinçon and Sánchez-Ortega, 2002 -- valid
  Capnioneura nemuroides Ris, 1905 -- valid
  Capnioneura petitpierreae Aubert, 1961 -- valid
  Capnioneura petricola Giudicelli, 1967 -- valid
  Capnioneura valandovi Ikonomov, 1978 -- valid
  Capnioneura veronicae Vinçon and Sivec, 2011 -- invalid
  Capnodes schilleri Rostock, 1892 -- invalid
  Capnopsis Morton, 1896 -- valid
  Capnopsis schilleri (Rostock, 1892) -- valid
  Capnopsis schilleri archaica Zwick, 1984 -- valid
  Capnopsis schilleri balcanica Zwick, 1984 -- valid
  Capnopsis schilleri schilleri (Rostock, 1892) -- valid
  Capnura Banks, 1900 -- valid
  Capnura anas Nelson and Baumann, 1987 -- valid -- Duckhead Snowfly
  Capnura elevata (Frison, 1942) -- valid -- Thicklimb Snowfly
  Capnura fibula (Claassen, 1924) -- valid -- Southwest Snowfly
  Capnura intermontana Nelson and Baumann, 1987 -- valid -- Intermountain Snowfly
  Capnura manitoba (Claassen, 1924) -- valid -- Manitoba Snowfly
  Capnura venosa Banks, 1900 -- valid -- Falcate Snowfly
  Capnura wanica (Frison, 1944) -- valid -- Intermittent Snowfly
  Chloroperla bifrons Newman, 1838 -- invalid
  Chloroperla opis Newman, 1839 -- invalid
  Eocapnia Kawai, 1955 -- valid
  Eocapnia nivalis (Uéno, 1929) -- valid
  Eocapnia shigensis Kawai, 1967 -- valid
  Eocapnia yezoensis Kawai, 1955 -- valid
  Eucapnopsis Okamoto, 1922 -- valid
  Eucapnopsis brevicauda (Claassen, 1924) -- valid -- Shortailed Snowfly
  Eucapnopsis quattuorsegmentata Okamoto, 1922 -- valid
  Eucapnopsis stigmatica Okamoto, 1922 -- valid
  Eucapnopsis stigmatica stigmatica Okamoto, 1922 -- valid
  Eucapnopsis stigmatica transversa Aubert, 1959 -- valid
  Eurekapnia Stark and Broome in Broome, Stark and Baumann, 2019 -- valid
  Eurekapnia maculata (Jewett, 1954) -- valid -- Spotted Snowfly
  Isocapnia Banks, 1938 -- valid
  Isocapnia abbreviata Frison, 1942 -- valid -- Shortlimb Snowfly
  Isocapnia agassizi Ricker, 1943 -- valid -- Agassiz Snowfly
  Isocapnia anguis Chen and Du, 2017 -- valid
  Isocapnia apicispina Chen and Du, 2017 -- valid
  Isocapnia aptera Zhiltzova, 1969 -- valid
  Isocapnia arcuata Zhiltzova, 1975 -- valid
  Isocapnia crinita (Needham and Claassen, 1925) -- valid -- Hooked Snowfly
  Isocapnia eichlini Zenger and Baumann, 2004 -- valid -- Napa Snowfly
  Isocapnia fraseri Ricker, 1959 -- invalid
  Isocapnia fumosa Banks, 1938 -- invalid
  Isocapnia grandis (Banks, 1907) -- valid -- Giant Snowfly
  Isocapnia guentheri (Joost, 1970) -- valid
  Isocapnia hyalita Ricker, 1959 -- valid -- Hyalite Snowfly
  Isocapnia integra Hanson, 1943 -- valid -- Alberta Snowfly
  Isocapnia japonica Kohno, 1953 -- valid
  Isocapnia kudia Ricker, 1959 -- valid
  Isocapnia missourii Ricker, 1959 -- invalid
  Isocapnia mogila Ricker, 1959 -- valid -- Irregular Snowfly
  Isocapnia orientalis Zhiltzova, 1975 -- valid
  Isocapnia palousa Zenger and Baumann, 2004 -- valid -- Palouse Snowfly
  Isocapnia rickeri Zenger and Baumann, 2004 -- valid -- Umatilla Snowfly
  Isocapnia sibirica (Zapekina-Dulkeit, 1955) -- valid
  Isocapnia spenceri Ricker, 1943 -- valid -- Chilliwack Snowfly
  Isocapnia spenceri thujae Ricker, 1943 -- invalid
  Isocapnia vedderensis (Ricker, 1943) -- valid -- Vedder Snowfly
  Mesocapnia Rauser, 1968 -- valid
  Mesocapnia altaica (Zapekina-Dulkeit, 1955) -- valid
  Mesocapnia aptera Lee and Baumann, 2011 -- valid -- Wingless Snowfly
  Mesocapnia arizonensis (Baumann and Gaufin, 1969) -- valid -- Arizona Snowfly
  Mesocapnia autumna (Baumann and Gaufin, 1970) -- valid -- Autumn Snowfly
  Mesocapnia bakeri (Banks, 1918) -- valid -- Pomona Snowfly
  Mesocapnia bergi (Ricker, 1965) -- valid -- Yukon Snowfly
  Mesocapnia bulbosa Nelson and Baumann, 1990 -- valid -- Bulbous Snowfly
  Mesocapnia daxingana Chen and Du, 2016 -- valid
  Mesocapnia frisoni (Baumann and Gaufin, 1970) -- valid -- Plains Snowfly
  Mesocapnia gorodkovi Zhiltzova and Baumann, 1986 -- valid
  Mesocapnia lapwae (Baumann and Gaufin, 1970) -- valid -- Lapwai Snowfly
  Mesocapnia oenone (Neave, 1929) -- valid -- Wine Snowfly
  Mesocapnia ogotoruka (Jewett, 1964) -- valid -- Ogotoruk Snowfly
  Mesocapnia porrecta (Jewett, 1954) -- valid -- Stretched Snowfly
  Mesocapnia projecta (Frison, 1937) -- valid -- Spined Snowfly
  Mesocapnia silvatica Rauser, 1968 -- valid
  Mesocapnia sugluka (Ricker, 1965) -- valid -- Sugluk Snowfly
  Mesocapnia variabilis (Klapálek, 1920) -- valid -- Variable Snowfly
  Mesocapnia werneri (Baumann and Gaufin, 1970) -- valid -- Sabino Snowfly
  Mesocapnia yoloensis (Baumann and Gaufin, 1970) -- valid -- Yolo Snowfly
  Nemocapnia Banks, 1938 -- valid
  Nemocapnia carolina Banks, 1938 -- valid -- Southern Snowfly
  Nemocapnia japonica Kohno, 1953 -- valid
  Paracapnia Hanson, 1946 -- valid
  Paracapnia angulata Hanson, 1961 -- valid -- Angulate Snowfly
  Paracapnia baumanni Kondratieff and Lee, 2010 -- valid -- Mendocino Snowfly
  Paracapnia boris Stark and Baumann, 2004 -- valid -- Colusa Snowfly
  Paracapnia curvata Hanson, 1946 -- invalid
  Paracapnia disala (Jewett, 1962) -- valid -- Dirty Snowfly
  Paracapnia ensicala (Jewett, 1962) -- valid -- Sword Snowfly
  Paracapnia humboldta Baumann and Lee, 2007 -- valid -- Redwood Snowfly
  Paracapnia khorensis Zhiltzova, 1972 -- valid
  Paracapnia leisteri Potikha and Zhiltzova, 2005 -- valid
  Paracapnia opis (Newman, 1839) -- valid -- Northeastern Snowfly
  Paracapnia oswegaptera (Jewett, 1965) -- invalid
  Paracapnia recta Zhiltzova, 1984 -- valid
  Paracapnia sikhotensis Zhiltzova in Zhilthova and Levanidova, 1978 -- valid
  Perla minima Barnston in Newport, 1848 -- invalid
  Perla nigra Pictet, 1833 -- invalid
  Perla nivicola Fitch, 1847 -- invalid
  Perla pygmaea Zetterstedt, 1840 -- invalid
  Sasquacapnia Baumann and Broome in Broome, Stark and Baumann, 2019 -- valid
  Sasquacapnia missiona (Baumann and Potter, 2007) -- valid -- Mission Snowfly
  Sasquacapnia sasquatchi (Ricker, 1965) -- valid -- Sasquatch Snowfly
  Semblis pygmaea Burmeister, 1839 -- invalid
  Sierracapnia Bottorff and Baumann, 2015 -- valid
  Sierracapnia barberi (Claassen, 1924) -- valid -- Plumas Snowfly
  Sierracapnia hornigi (Baumann and Sheldon, 1984) -- valid -- Esmeralda Snowfly
  Sierracapnia mono (Nelson and Baumann, 1987) -- valid -- Mono Snowfly
  Sierracapnia palomar (Nelson and Baumann, 1987) -- valid -- Palomar Snowfly
  Sierracapnia shepardi (Nelson and Baumann, 1987) -- valid -- Yuba Snowfly
  Sierracapnia washoe Bottorff and Baumann, 2015 -- valid -- Washoe Snowfly
  Sierracapnia yosemite (Nelson and Baumann, 1987) -- valid -- Yosemite Snowfly
  Sinocapnia Murányi, Li and Yang, 2015 -- valid
  Sinocapnia kuankuoshui Murányi, Li and Yang, 2015 -- valid
  Takagripopteryx Okamoto, 1922 -- valid
  Takagripopteryx imamurai Kohno, 1954 -- valid
  Takagripopteryx jezoensis Kohno, 1954 -- valid
  Takagripopteryx nigra Okamoto, 1922 -- valid
  Takagripopteryx zhuikovae Zhiltzova, 1980 -- valid
  Utacapnia Gaufin, 1970 -- valid
  Utacapnia columbiana (Claassen, 1924) -- valid
  Utacapnia distincta (Frison, 1937) -- valid
  Utacapnia imbera (Nebeker and Gaufin, 1965) -- valid
  Utacapnia labradora (Ricker, 1954) -- valid
  Utacapnia lemoniana (Nebeker and Gaufin, 1965) -- valid
  Utacapnia logana (Nebeker and Gaufin, 1965) -- valid
  Utacapnia nedia (Nebeker and Gaufin, 1966) -- valid
  Utacapnia poda (Nebeker and Gaufin, 1965) -- valid
  Utacapnia sierra (Nebeker and Gaufin, 1965) -- valid
  Utacapnia tahoensis (Nebeker and Gaufin, 1965) -- valid
  Utacapnia trava (Nebeker and Gaufin, 1965) -- valid
  Zwicknia Murányi, 2014 -- valid
  Zwicknia acuta Murányi and Orci, 2014 -- valid
  Zwicknia bifrons (Newman, 1838) -- valid
  Zwicknia gattolliati Vinçon and Reding, 2018 -- valid
  Zwicknia komica Murányi and Boumans, 2014 -- valid
  Zwicknia kovacsi Murányi and Gamboa, 2014 -- valid
  Zwicknia ledoarei Reding, Launay, Ruffoni, Vinçon and Boumans, 2016 -- valid
  Zwicknia rupprechti Murányi, Orci and Gamboa, 2014 -- valid
  Zwicknia sevanica (Zhiltzova, 1964) -- valid
  Zwicknia tuberculata (Zhiltzova, 1964) -- valid
  Zwicknia turkestanica (Kimmins, 1950) -- valid
  Zwicknia turkestanica brevicula (Berthélemy and Dia, 1982) -- valid
  Zwicknia turkestanica turkestanica (Kimmins, 1950) -- valid
  Zwicknia westermanni Boumans and Murányi, 2014 -- valid
   

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