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

Infraorder Pannota

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies
Suborder Furcatergalia
Infraorder Pannota

Superfamily Caenoidea
Family Caenidae - Small Squaregilled Mayflies
Genus Brachycercus
Species harrisellus - Brachycercus harrisellus
Species nitidus - Brachycercus nitidus
Genus Caenis
Species hilaris - Caenis hilaris
Species latipennis - Caenis latipennis
Species tardata - Caenis tardata
Superfamily Ephemerelloidea
Family Ephemerellidae - Spiny Crawler Mayflies
Genus Attenella
Species attenuata - Attenella attenuata
Species delantala - Attenella delantala
Species margarita - Attenella margarita
Species soquele - Attenella soquele
Genus Caudatella
Species heterocaudata - Caudatella heterocaudata
Genus Drunella
Species coloradensis - Drunella coloradensis
Species cornuta - Drunella cornuta
Species cornutella - Drunella cornutella
Species doddsii - Drunella doddsii
Species flavilinea - Drunella flavilinea
Species grandis - Drunella grandis
Species lata - Drunella lata
Species pelosa - Drunella pelosa
Species spinifera - Drunella spinifera
Species tuberculata - Drunella tuberculata
Species walkeri - Drunella walkeri
Genus Ephemerella
Species aurivillii - Ephemerella aurivillii
Species dorothea - Ephemerella dorothea
Subspecies dorothea - Ephemerella dorothea dorothea
Subspecies infrequens - Ephemerella dorothea infrequens
Species excrucians - Ephemerella excrucians
Species invaria - Ephemerella invaria
Species maculata - Ephemerella maculata
Species subvaria - Ephemerella subvaria
Species tibialis - Ephemerella tibialis
Species verruca - Ephemerella verruca
Genus Eurylophella
Species aestiva - Eurylophella aestiva
Species bicolor - Eurylophella bicolor
Species funeralis - Eurylophella funeralis
Species lodi - Eurylophella lodi
Species prudentalis - Eurylophella prudentalis
Species temporalis - Eurylophella temporalis
Species verisimilis - Eurylophella verisimilis
Genus Matriella
Species teresa - Matriella teresa
Genus Penelomax
Species septentrionalis - Penelomax septentrionalis
Genus Serratella
Species levis - Serratella levis
Species micheneri - Serratella micheneri
Species serrata - Serratella serrata
Species serratoides - Serratella serratoides
Genus Teloganopsis
Species deficiens - Teloganopsis deficiens
Genus Timpanoga
Species hecuba - Timpanoga hecuba
Genus Tsalia
Species berneri - Tsalia berneri
Family Leptohyphidae - Little Stout Crawler Mayflies
Genus Tricorythodes
Species explicatus - Tricorythodes explicatus
Genus Leptohyphes
Family Neoephemeridae - Large Squaregill Mayfly
Genus Neoephemera - Large Squaregill Mayfly
Species youngi - Neoephemera youngi
Species purpurea - Neoephemera purpurea