| Afroperlodes lecerfi Navas, 1929 | |
| Baumannella alameda Needham & Cl..., 1925 | Alameda Springfly |
| Bulgaroperla mirabilis Raušer, 1966 | |
| Bulgaroperla mirabilis caucasica Zhiltzova, 1973 | |
| Bulgaroperla mirabilis mirabilis Raušer, 1966 | |
| Bulgaroperla mirabilis nigrita Zwick, 1978 | |
| Bulgaroperla nigrita (Zwick, 1978) | ⇒ Bulgaroperla mirabilis nigrita Zwick, 1978 |
| Cultus aestivalis Needham & Cl..., 1925 | Large aegialian scarab |
| Cultus decisa Walker, 1852 | |
| Cultus decisus Walker, 1852 | |
| Cultus decisus decisus Walker, 1852 | Great Lakes Springfly |
| Cultus decisus isolatus Banks, 1920 | Southern Springfly |
| Cultus isolatus Banks, 1920 | |
| Cultus pilata Frison, 1942 | |
| Cultus pilatus Frison, 1942 | Vedder Springfly |
| Cultus tostonus Ricker, 1952 | Toston Springfly |
| Cultus verticalis Banks, 1920 | Spiny Springfly |
| Diploperla duplicata Banks, 1920 | Two-lobed Springfly |
| Diploperla janeae Kondratieff ..., 2017 | Jane's Springfly |
| Diploperla kanawholensis Kirchner & K..., 1984 | Kanawhole Springfly |
| Diploperla morgani Kondratieff ..., 1979 | Virginia Springfly |
| Diploperla robusta Stark & Gaufin, 1974 | Robust Springfly |
| Hemimelaena flaviventris Pictet, 1841 | |
| Isoperla acicularis Despax, 1936 | |
| Isoperla acicularis acicularis Despax, 1936 | |
| Isoperla acicularis cantabrica Aubert, 1956 | |
| Isoperla acicularis guadarramica Aubert, 1956 | |
| Isoperla acula Jewett, 1962 | Fresno Stripetail |
| Isoperla adunca Jewett, 1962 | Arroyo Stripetail |
| Isoperla aizuana Kohno, 1953 | |
| Isoperla albanica Aubert, 1964 | |
| Isoperla alpicola (Illies, 1952) | ⇒ Isoperla lugens Klapálek, 1923 |
| Isoperla altaica Å ámal, 1939 | |
| Isoperla ambigua Despax, 1936 | |
| Isoperla andreinii Festa, 1938 | |
| Isoperla arcana Beaty, Holla..., 2017 | Secret Stripetail |
| Isoperla armeniaca Zhiltzova, 1961 | |
| Isoperla asakawae Kohno, 1941 | |
| Isoperla asiatica Raušer, 1968 | |
| Isoperla auberti Raušer, 1968 | |
| Isoperla autumnalis Murányi, 2011 | |
| Isoperla azusana Kohno, 1953 | |
| Isoperla baumanni Szczytko & S..., 1984 | California Stripetail |
| Isoperla belai Illies, 1963 | |
| Isoperla bellona Banks, 1911 | Smokies Stripetail |
| Isoperla berthelemyi Sivec & Dia, 2002 | |
| Isoperla bifurcata Szczytko & S..., 1979 | Forked Stripetail |
| Isoperla bilineata Say, 1823 | Two-lined Stripetail |
| Isoperla bimaculata Yang, D. & C..., 1996 | |
| Isoperla bipartita Aubert, 1963 | |
| Isoperla bithynica Kempny, 1908 | |
| Isoperla borisi Beaty, Holla..., 2017 | Slate Belt Stripetail |
| Isoperla bosnica Aubert, 1964 | |
| Isoperla breviptera Ikonomov, 1980 | |
| Isoperla buresi Raušer, 1962 | |
| Isoperla burksi Frison, 1942 | Banded Stripetail |
| Isoperla carbonaria Aubert, 1953 | |
| Isoperla carpathica Kis, 1971 | |
| Isoperla catawba Szczytko & K..., 2015 | |
| Isoperla caucasica (Balinsky, 1950) | ⇒ Isoperla bithynica Kempny, 1908 |
| Isoperla chazaudina Navas, 1923 | |
| Isoperla chereshnevi Teslenko, 2017 | |
| Isoperla cherokee Szczytko & K..., 2015 | Hooked-spine Stripetail |
| Isoperla chickamauga Szczytko & K..., 2015 | |
| Isoperla chius Zwick, 1978 | |
| Isoperla citrina Murányi, 2011 | |
| Isoperla citronella Newport, 1851 | Obscure Stripetail |
| Isoperla claudiae Graf & Konar, 2014 | |
| Isoperla conspicua Frison, 1935 | Convoluted barbula moss |
| Isoperla cotta Ricker, 1952 | Haresfoot locoweed |
| Isoperla coushatta (Szczytko & S..., 1976) | ⇒ Isoperla davisi James, 1974 |
| Isoperla curtata Navas, 1924 | |
| Isoperla curvispina Wu, 1938 | |
| Isoperla davisi James, 1974 | Alabama Stripetail |
| Isoperla debilis Kohno, 1953 | |
| Isoperla decepta Frison, 1935 | Convoluted barbula moss |
| Isoperla decolorata Walker, 1852 | Bear Lake Stripetail |
| Isoperla denningi Jewett, 1955 | Angeles Stripetail |
| Isoperla dewalti Verdone & Ko..., 2017 | DeWalt Stripetail |
| Isoperla dicala Frison, 1942 | Sable Stripetail |
| Isoperla difformis Klapálek, 1909 | |
| Isoperla distincta Nelson, 1976 | Twisted Stripetail |
| Isoperla ebria (Hagen, 1874) | ⇒ Isoperla sobria Hagen, 1874 |
| Isoperla emarginata Harden & Mickel, 1952 | Crescent Stripetail |
| Isoperla evanescens Verdone & Ko..., 2016 | |
| Isoperla eximia Zapekina-Dul..., 1975 | |
| Isoperla extensa Claassen, 1937 | |
| Isoperla fauschi Szczytko & K..., 2015 | Lumber Stripetail |
| Isoperla fengi Wu & Claassen, 1934 | |
| Isoperla flava Kis, 1963 | |
| Isoperla flavescens Zhiltzova & ..., 1986 | |
| Isoperla francesca Harper, 1971 | Northeaster Stripetail |
| Isoperla frisoni Illies, 1966 | Red sand verbena |
| Isoperla fukushimensis Kohno, 1953 | |
| Isoperla fulva Claassen, 1937 | Western Stripetail |
| Isoperla fusca Needham & Cl..., 1925 | Swamp loosestrife |
| Isoperla gibbsae Harper, 1971 | Pipevine |
| Isoperla goertzi Illies, 1952 | |
| Isoperla graeca Aubert, 1956 | |
| Isoperla grammatica (Poda, 1761) | ⇒ Isoperla luzoni Tierno de Fi..., 2005 |
| Isoperla gravitans Needham & Cl..., 1925 | Olympia Stripetail |
| Isoperla hemithales Navas, 1923 | |
| Isoperla holochlora Klapálek, 1923 | Pale Stripetail |
| Isoperla hyblaea Consiglio, 1961 | |
| Isoperla ikariae Zwick, 1978 | |
| Isoperla illyrica Tabacaru, 1971 | |
| Isoperla ilvana Consiglio, 1958 | |
| Isoperla inermis Kacanski & Z..., 1970 | |
| Isoperla insularis Morton, 1930 | |
| Isoperla irregularis Klapálek, 1923 | Texas Stripetail |
| Isoperla jamesae Grubbs & Szc..., 2010 | Natchez Trace Stripetail |
| Isoperla jewetti Szczytko & S..., 1976 | Grande Stripetail |
| Isoperla kappa Ishizuka, 2002 | |
| Isoperla karuk Baumann & Lee, 2009 | |
| Isoperla katmaiensis Szczytko & S..., 1979 | Katmai Stripetail |
| Isoperla kir Fochetti & V..., 1993 | |
| Isoperla kirchneri Szczytko & K..., 2015 | Two-spine Stripetail |
| Isoperla kozlovi Zhiltzova, 1972 | |
| Isoperla lata Frison, 1942 | Dark Stripetail |
| Isoperla laucki Baumann & Lee, 2009 | Humboldt Stripetail |
| Isoperla lenati Szczytko & K..., 2015 | Little Stripetail |
| Isoperla lesbica Zwick, 1978 | |
| Isoperla libanica Aubert, 1964 | |
| Isoperla longiseta Banks, 1906 | Plains Stripetail |
| Isoperla lugens Klapálek, 1923 | |
| Isoperla lunigera Klapálek, 1923 | |
| Isoperla luzoni Tierno de Fi..., 2005 | |
| Isoperla maculata Zhiltzova, 1977 | |
| Isoperla major Nelson & Kon..., 1983 | Big Stripetail |
| Isoperla marlynia Needham & Cl..., 1925 | Midwestern Stripetail |
| Isoperla marmorata Needham & Cl..., 1925 | Red Stripetail |
| Isoperla maxana Harden & Mickel, 1952 | Minnesota Stripetail |
| Isoperla minima (Illies, 1963) | ⇒ Isoperla pusilla Klapálek, 1923 |
| Isoperla miwok Bottorff & S..., 1990 | Miwok Stripetail |
| Isoperla mohri (Frison, 1935) | ⇒ Isoperla irregularis Klapálek, 1923 |
| Isoperla mongolica Zhiltzova, 1972 | |
| Isoperla montana Banks, 1898 | Montane Stripetail |
| Isoperla morenica Tierno de Fi..., 2011 | |
| Isoperla mormona Banks, 1920 | Mormon Stripetail |
| Isoperla moselyi Despax, 1936 | |
| Isoperla motonis Okamoto, 1912 | |
| Isoperla muir (Szczytko & S..., 2004) | ⇒ Isoperla umpqua Szczytko & S..., 2013 |
| Isoperla myersi Szczytko & K..., 2015 | Paddle Stripetail |
| Isoperla nagyi Murányi, Kov..., 2020 | |
| Isoperla namata Frison, 1942 | Ozark Stripetail |
| Isoperla nana Walsh, 1862 | Least Stripetail |
| Isoperla nanchana Navas, 1922 | |
| Isoperla neimongolica Yang & Yang, 1996 | |
| Isoperla nelsoni Szczytko & K..., 2015 | Nelson Stripetail |
| Isoperla nevada Aubert, 1952 | |
| Isoperla nilovana Navas, 1923 | |
| Isoperla nipponica Okamoto, 1912 | |
| Isoperla obliqua (Zwick, 1978) | ⇒ Isoperla tripartita obliqua Zwick, 1978 |
| Isoperla obscura Zetterstedt, 1840 | |
| Isoperla oenotriae Consiglio, 1967 | |
| Isoperla okamotonis Kohno, 1941 | |
| Isoperla oncocauda Huo & Du, 2018 | |
| Isoperla orata Frison, 1942 | Colorless Stripetail |
| Isoperla ordosi Wu, 1938 | |
| Isoperla ornata Zhiltzova, 1988 | |
| Isoperla orobica Ravizza, 1975 | |
| Isoperla ouachita Stark & Stewart, 1973 | Ouachita Stripetail |
| Isoperla oxylepis Despax, 1936 | |
| Isoperla oxylepis balcanica Raušer, 1962 | |
| Isoperla oxylepis oxylepis Despax, 1936 | |
| Isoperla pallida Aubert, 1963 | |
| Isoperla patricia (Frison, 1942) | ⇒ Isoperla quinquepunctata Banks, 1902 |
| Isoperla pauli Szczytko & K..., 2015 | Mt. Mitchell Stripetail |
| Isoperla pawlowskii Wojtas, 1961 | |
| Isoperla pesici Murányi, 2011 | |
| Isoperla petersoni Needham & Ch..., 1927 | Crosswort |
| Isoperla peterzwicki Stark & Sivec, 2008 | |
| Isoperla phalerata Needham, 1917 | Rockies Stripetail |
| Isoperla phaleratus Smith, 1917 | |
| Isoperla pinta Frison, 1937 | Checkered Stripetail |
| Isoperla poffi Szczytko & K..., 2015 | Pentagonal Stripetail |
| Isoperla popijaci Hlebec & Sivec, 2021 | PopijaÄ�’s Yellow Stripetail |
| Isoperla potanini Klapálek, 1921 | |
| Isoperla powhatan Szczytko & K..., 2015 | Powhatan Stripetail |
| Isoperla praetexta Klapálek, 1923 | |
| Isoperla prokopovi Zhiltzova & ..., 2012 | |
| Isoperla pseudolata Szczytko & K..., 2015 | |
| Isoperla pseudornata Zhiltzova, 1988 | |
| Isoperla pseudosimilis Szczytko & K..., 2015 | Confusing Stripetail |
| Isoperla pusilla Klapálek, 1923 | |
| Isoperla qinlinga Chen, 2019 | |
| Isoperla quinquepunctata Banks, 1902 | Fivespot Stripetail |
| Isoperla rainiera (Jewett, 1954) | ⇒ Isoperla rainieri Jewett, 1954 |
| Isoperla rainieri Jewett, 1954 | |
| Isoperla recta (Zwick, 1978) | ⇒ Isoperla tripartita recta Zwick, 1978 |
| Isoperla reesi Szczytko & K..., 2015 | Elk Garden Stripetail |
| Isoperla retroloba Wu, 1938 | |
| Isoperla rhododendri Zhiltzova, 1956 | |
| Isoperla richardsoni Frison, 1935 | Convoluted barbula moss |
| Isoperla rivulorum Pictet, 1841 | |
| Isoperla roguensis Szczytko & S..., 1984 | Florida flatcoil |
| Isoperla russevi Sowa, 1970 | |
| Isoperla saccai Festa, 1939 | |
| Isoperla sagittata Szczytko & S..., 1976 | Arrowhead Stripetail |
| Isoperla sandbergi Szczytko & K..., 2015 | Cheaha Stripetail |
| Isoperla sejila Cao, Wang & Li, 2020 | |
| Isoperla sextuberculata Huo & Du, 2020 | |
| Isoperla shibakawae Okamoto, 1912 | |
| Isoperla signata Banks, 1902 | Light brown stonefly |
| Isoperla silesica Illies, 1952 | |
| Isoperla similis Hagen, 1861 | Black Stripetail |
| Isoperla siouan Szczytko & K..., 2015 | Siouan Stripetail |
| Isoperla slossonae Banks, 1911 | Colorful Stripetail |
| Isoperla sobria Hagen, 1874 | Colorado Stripetail |
| Isoperla sordida Banks, 1906 | Notched Stripetail |
| Isoperla sowerbyi Wu & Claassen, 1934 | |
| Isoperla starki Szczytko & K..., 2015 | Wayah Stripetail |
| Isoperla stewarti Szczytko & K..., 2015 | Stewart Stripetail |
| Isoperla submontana Raušer, 1965 | |
| Isoperla succinica ♰ H. Hagen, 1856 | |
| Isoperla sudetica Kolenati, 1859 | |
| Isoperla suzukii (Okamoto, 1912) | ⇒ Paragnetina suzukii Okamoto, 1912 |
| Isoperla szczytkoi Poulton & St..., 1987 | Magazine Stripetail |
| Isoperla texana (Banks, 1914) | ⇒ Perlesta placida Hagen, 1861 |
| Isoperla tilasqua Szczytko & S..., 1979 | Oregon Stripetail |
| Isoperla tokula (Hoppe, 1938) | ⇒ Isoperla pinta Frison, 1937 |
| Isoperla towadensis Okamoto, 1912 | |
| Isoperla transmarina Newman, 1838 | Boreal Stripetail |
| Isoperla trictura (Hoppe, 1938) | ⇒ Cascadoperla trictura Hoppe, 1938 |
| Isoperla tripartita Illies, 1954 | |
| Isoperla tripartita obliqua Zwick, 1978 | |
| Isoperla tripartita recta Zwick, 1978 | |
| Isoperla tripartita tripartita Illies, 1954 | |
| Isoperla truncata (Frison, 1937) | ⇒ Isoperla frisoni Illies, 1966 |
| Isoperla tutelo Szczytko & K..., 2015 | North Carolina Stripetail |
| Isoperla uenoi Kawai, 1967 | |
| Isoperla umpqua Szczytko & S..., 2013 | |
| Isoperla ventralis (Banks, 1908) | ⇒ Isoperla transmarina Newman, 1838 |
| Isoperla vevcianensis Ikonomov, 1980 | |
| Isoperla viridinervis Pictet, 1865 | |
| Isoperla vjosae Graf & Vitecek, 2018 | |
| Isoperla yangi Wu, 1935 | |
| Isoperla yuchi Szczytko & K..., 2015 | Yuchi Stripetail |
| Isoperla zuelligi Szczytko & K..., 2015 | Uwharrie Stripetail |
| Isoperla zwicki Tierno de Fi..., 2001 | |
| Kogotus alameda (Needham & Cl..., 1925) | ⇒ Baumannella alameda Needham & Cl..., 1925 |
| Kogotus asakawae Kohno, 1941 | |
| Kogotus modesta Banks, 1908 | |
| Kogotus modestus Banks, 1908 | Sickle Springfly |
| Kogotus nona Needham & Cl..., 1925 | |
| Kogotus nonus Needham & Cl..., 1925 | Smooth Springfly |
| Kogotus tiunovi Teslenko & Z..., 1993 | |
| Osobenus yakimae Hoppe, 1938 | Yakima Springfly |
| Ostrovus mitsukonis Okamoto & Kohno, 1940 | |
| Ostrovus nikkoensis Okamoto, 1912 | |
| Pictetiella asiatica Zwick & Leva..., 1971 | |
| Pictetiella expansa Banks, 1920 | Autumn Springfly |
| Pictetiella lechleitneri Stark & Kond..., 2004 | Talol Springfly |
| Pictetiella zwicki Zhiltzova, 1976 | |
| Remenus bilobatus Needham & Cl..., 1925 | Lash Springfly |
| Remenus daniellae Verdone & Ko..., 2018 | Danielle's Springfly |
| Remenus duffieldi Nelson & Kon..., 1995 | Georgia Springfly |
| Remenus kirchneri Kondratieff ..., 1995 | Blue Ridge Springfly |
| Rickera sorpta Needham & Cl..., 1925 | Palestripe Springfly |
| Stavsolus ainu Teslenko, 1999 | |
| Stavsolus japonicus Okamoto, 1912 | |
| Stavsolus manchuricus Teslenko, 1999 | |
| Stavsolus scriptus Klapálek, 1912 | |
| Stavsolus tenninus Needham, 1905 | |
