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

Aquatic Larva - Rhithrogena brunneotincta Mayfly Larva - Rhithrogena brunneotincta Rhithrogena sp - Rhithrogena Mayfly - Rhithrogena impersonata Rhithrogena sp. nymph - voucher specimen, in alcohol - Rhithrogena Mayfly - Rhithrogena Rhithrogena Rhithrogena
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Superfamily Heptagenioidea
Family Heptageniidae (Flatheaded Mayflies)
Genus Rhithrogena
Explanation of Names
Rhithrogena Eaton 1881
one of the largest mayfly genera, with 22 spp. in our area and >150 total(1)(2)
holarctic, by far more diverse in Asia(2)