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For the United States & Canada
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Upcoming Events

Discussion of 2018 gathering

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 Ephemerella

3-tailed mayfly (Imago) - Ephemerella - female Spiny Crawler Nymph - Ephemerella subvaria Mayfly - Ephemerella subvaria Mayfly - Ephemerella invaria - female Ephemerella subvaria Ephemerella subvaria - male Unidentified mayfly nymph - Ephemerella Ephemerella tibialis - voucher specimens, in alcohol - Ephemerella tibialis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Pannota
Superfamily Ephemerelloidea
Family Ephemerellidae (Spiny Crawler Mayflies)
Genus Ephemerella
Explanation of Names
Ephemerella Walsh 1862
17 spp. in our area (+some dubious ones)(1) + 3 more in the Palaearctic(2)
holarctic genus; 3 of our spp. (E. aurivillii, E. nuda, E. mucronata) are holarctic(2)
E. floripara McCafferty 1985 not listed in(2)