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

Family Ephemerellidae - Spiny Crawler Mayflies

Eurylophella verisimilis Teloganopsis deficiens Drunella coloradensis / flavilinea - Drunella Mayfly - Ephemerella Mayfly - female female imago - Ephemerella dorothea - female Ephemerellidae - Ephemerella invaria Mayfly on burnt tree near the McKenzie River - Ephemerella excrucians
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Pannota
Superfamily Ephemerelloidea
Family Ephemerellidae (Spiny Crawler Mayflies)
Numbers
75 spp. in 14 genera in our area(1), ~150 spp. in 22 genera total(2)
Range
Holarctic & Oriental, more diverse in NA(2)