Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
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

TaxonomyBrowse
Info
ImagesLinksBooksData

Family Ephemeridae - Common Burrower Mayflies

mayfly - Hexagenia Hexagenia limbata Hexagenia - female Common Burrower Mayfly Hexagenia limbata. - Hexagenia limbata - female Hexagenia limbata brown drake in spider web - Ephemera simulans Is this a mayfly?  It's so pretty - Hexagenia limbata common burrower mayfly husk - Ephemera - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Scapphodonta
Superfamily Ephemeroidea
Family Ephemeridae (Common Burrower Mayflies)
Numbers
12 spp. in 3 genera in our area(1), 80 spp. in 7 genera total(2)
Size
10-30 mm
Identification
Size large; M and Cu veins in front wings strongly divergent(3); larvae have long cylidrical bodies, tapered at both ends, sharp mandibles that curve outward like tusks, long fringed antenna, three cauda (anal filaments); legs adapted for digging(4)
Range
worldwide(2)
Habitat
Streams, lakes and nearby; larvae burrow in sand, silt; adults come to lights
Season
Summer