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For Insects, Spiders & Their Kin
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


Family Siphlonuridae - Primitive Minnow Mayflies

Mayfly Larva - Siphlonurus quebecensis Mayfly larva - Siphlonurus mirus small Mayfly - Siphlonurus mayfly - Siphlonurus securifer - male Mayfly - Siphlonurus Mayfly - Siphlonurus - male Siphlonurus sp. #1 - voucher specimen, in alcohol - Siphlonurus Spot-winged Mayfly - Siphlonurus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Family Siphlonuridae (Primitive Minnow Mayflies)
4 genera, with 26 spp. in our area (all but 6 spp. are in Siphlonurus)(1) and ~50 spp. total(2)
holarctic, incl. much of NA; tend to be northern/montane(1)(2)