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

Family Ephemerellidae - Spiny Crawler Mayflies


Penelomax septentrionalis? - Penelomax septentrionalis Penelomax septentrionalis? - Penelomax septentrionalis Penelomax septentrionalis? - Penelomax septentrionalis Penelomax septentrionalis? - Penelomax septentrionalis Penelomax septentrionalis

Mayfly - Serratella Serratella serratoides Serratella serrata Serratella levis - voucher specimen, in alcohol - Serratella levis - male Serratella micheneri - voucher specimen, in alcohol - Serratella micheneri - male spiny crawler mayfly nymph - Serratella Ephemerellidae Serretella? - Serratella Ephemerellidae Serratella serratoides - Serratella serratoides

Teloganopsis deficiens Teloganopsis deficiens Teloganopsis deficiens Teloganopsis deficiens Mayfly (Darth Vader) - Teloganopsis deficiens - male Baetis tricaudatus Small Baetis, ID Please? - Teloganopsis deficiens - male Teloganopsis deficiens Ephemerellidae?  - Teloganopsis deficiens

Ephemerellidae, Timpanoga hecuba - Timpanoga hecuba Ephemerellidae, Timpanoga hecuba - Timpanoga hecuba Ephemerellidae, Timpanoga hecuba - Timpanoga hecuba Ephemerellidae, Timpanoga hecuba - Timpanoga hecuba Timpanoga hecuba Timpanoga hecuba - voucher specimen, in alcohol - Timpanoga hecuba Timpanoga hecuba - voucher specimen, in alcohol - Timpanoga hecuba Timpanoga hecuba - voucher specimen, in alcohol - Timpanoga hecuba

Tsalia berneri - Berner's Ephemerella Mayfly - Tsalia berneri Tsalia berneri - female nymph - Tsalia berneri - female Tsalia berneri - female subimago - Tsalia berneri - female Tsalia berneri - male subimago - Tsalia berneri - male Tsalia berneri - male imago - Tsalia berneri - male Tsalia berneri  - Tsalia berneri - female Tsalia berneri  - Tsalia berneri - female Tsalia berneri  - Tsalia berneri - female