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For Insects, Spiders & Their Kin
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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
Classification
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
Numbers
18 spp. in our area(1), >90 total(2)
Range
primarily holarctic, by far most diverse in Asia(2)