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

Order Ephemeroptera - Mayflies


fat spiny Mayfly larva - Baetisca laurentina Mayfly Larva - Baetisca laurentina Mayfly Larva - Baetisca laurentina Mayfly Larva - Baetisca laurentina Mayfly - Baetisca - male mayfly sp ? - Baetisca Baetisca berneri aquatic invertebrate found in slow moving river - Baetisca

Fisherman's Delight - Hexagenia limbata Ephemerellidae, genus Eurylophella - Eurylophella Mayfly - Leptophlebia cupida Mayfly - Paraleptophlebia Mayfly - Ephemerella dorothea Hexagenia? - Hexagenia - male Leptophlebia nebulosa? - Leptophlebia nebulosa Mayfly - Leptophlebia nebulosa

Baetidae - Callibaetis ferrugineus - male Mayfly Larva - Siphlonurus quebecensis mayfly - Ameletus Family Baetidae? - male Mayfly - Callibaetis pictus Mayfly - ID, please, if possible. - Callibaetis pretiosus Baetis tricautdatus - Baetis tricaudatus - female Mayfly from Arrowsmith - Callibaetis fluctuans - female

Mayfly - female Mayfly - female Ephemeroptera