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Genus Epeorus

Heptageniidae,  Epeorus vitreus - Epeorus vitreus Dorsal eyes - Epeorus dulciana - male Mayfly larva - Epeorus Ephemeroptera - Epeorus Ephemeroptera - Epeorus Epeorus Pennsylvania Mayfly for ID - Epeorus frisoni Aquatic larva - Epeorus
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)