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For Insects, Spiders & Their Kin
For the United States & Canada
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Genus Epeorus

Mayfly ID? - Epeorus fragilis Unknown Mayfly - Epeorus Either Epeorus or Ironodes - Epeorus Epeorus vitreus Epeorus deceptivus mayfly nymph - Epeorus Another Mayfly - Epeorus pleuralis Mayfly - Epeorus vitreus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Superfamily Heptagenioidea
Family Heptageniidae (Flatheaded Mayflies)
Genus Epeorus
Explanation of Names
Epeorus Eaton 1881
18 spp. in our area(1), >90 total(2)
primarily holarctic, by far most diverse in Asia(2)