Isonychia Explained

Isonychia is a genus of brushlegged mayflies in the family Isonychiidae, the sole genus of the family. There are more than 30 described species in Isonychia.

Species

These 36 species belong to the genus Isonychia:

• Isonychia arabica Al-Zubaidi, Braasch & Al-Kayatt, 1987
• Isonychia arida (Say, 1839)
• Isonychia berneri Kondratieff & Voshell, 1984
• Isonychia bicolor (Walker, 1853) (mahogany dun)
• Isonychia campestris McDunnough, 1931
• Isonychia crassiuscula Tiunova, Kluge & Ishiwata, 2004
• Isonychia diversa Traver, 1934
• Isonychia formosana (Ulmer, 1912)
• Isonychia formosus Ulmer, 1912
• Isonychia georgiae McDunnough, 1931
• Isonychia grandis (Ulmer, 1913)
• Isonychia guixiensis Wu & Gui, 1992
• Isonychia hoffmani Kondratieff & Voshell, 1984
• Isonychia ignota (Walker, 1853)
• Isonychia intermedia (Eaton, 1885)
• Isonychia japonica (Ulmer, 1920)
• Isonychia khyberensis (Ali, 1970)
• Isonychia kiangsinensis Hsu, 1936
• Isonychia obscura Traver, 1932
• Isonychia rufa McDunnough, 1931
• Isonychia sayi Burks, 1953
• Isonychia serrata Traver, 1932
• Isonychia sexpetala Tiunova, Kluge & Ishiwata, 2004
• Isonychia shima (Matsumura, 1931)
• Isonychia sibirica Tiunova, Kluge & Ishiwata, 2004
• Isonychia sicca (Walsh, 1862)
• Isonychia similis Traver, 1932
• Isonychia sinensis Wu & Gui, 1992
• Isonychia sumatranus (Navás, 1933)
• Isonychia tusculanensis Berner, 1948
• Isonychia unicolorata Tiunova, Kluge & Ishiwata, 2004
• Isonychia ussurica Bajkova, 1970
• Isonychia velma Needham, 1932
• Isonychia vshivkovae Tiunova, Kluge & Ishiwata, 2004
• Isonychia winkleri Ulmer, 1939
• † Isonychia alderensis Lewis, 1977

Further reading

• Notes on Geographic Distribution: Insecta, Ephemeroptera: Range extensions and new records for Ontario and Canada. 2008. McCafferty . W. Patrick. Jacobus . Luke M.. Webb . Jeffrey M.. Meyer . Michael D.. Check List. 4. 4. 445–448. 10.15560/4.4.445. free.
• Book: Freshwater Animal Diversity Assessment. 2008. Barber-James . Helen M.. Gattolliat . Jean-Luc. Sartori . Michel. Hubbard . Michael D.. Springer. Developments in Hydrobiology. 595. Global diversity of mayflies (Ephemeroptera, Insecta) in freshwater. 339–350. 978-1-4020-8258-0. 10.1007/978-1-4020-8259-7_37.
• Book: Mayflies and Stoneflies: Life Histories and Biology. 1990. Campbell . Ian C.. Springer. 978-94-010-7579-4. 10.1007/978-94-009-2397-3. 39201439.