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

Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 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


Genus Ephemera

Yellow Drake - Ephemera varia - female Mayfly - Ephemera simulans Common Burrower Mayfly - Ephemera simulans Mayfly ID confirmation - Ephemera simulans May Fly (?) - Ephemera simulans Ephemera guttalata - Ephemera guttulata mayfly - Ephemera blanda Hexagenia sp. - Ephemera
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)
Genus Ephemera
Explanation of Names
Ephemera Linnaeus 1758
6 spp. in our area(1), >50 total(2)
E. guttulata: terminal filaments (tails) dark
E. varia: hind wing spotless, abdomen lighter
E. blanda: three spots on the forewing, none on the hind wing, abdominal terga whitish
holarctic & Oriental, most diverse in Asia(2)