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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Isonychia

Stream Mayfly - Isonychia obscura - female Big Mayfly! Isonychia? - Isonychia Isonychiidae, genus Isonychia - Isonychia Mayfly - Isonychia Brushlegged Mayfly - Isonychia - female Mayfly 1 - Isonychia - female Mayfly - Isonychia Mayfly - Isonychia - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Superfamily Heptagenioidea
Family Isonychiidae (Brushlegged Mayflies)
Genus Isonychia
Other Common Names
Slate Drakes
Explanation of Names
Isonychia Eaton 1871
16 spp. in our area(1), 34 spp. total(2)
holarctic with some Oriental representation(2)
Internet References