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For Insects, Spiders & Their Kin
For the United States & Canada
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Order Ephemeroptera - Mayflies

Ephemeroptera ID help - Baetisca lacustris - female Baetisca berneri Baetisca berneri small brown mayfly with turbinate eyes - Baetisca laurentina - male small chubby brown mayfly - Baetisca laurentina Baetisca sp.  - Baetisca Baetisca rogersi Baetisca laurentina

Mayfly Larva - Eurylophella prudentalis mayfly - Leptophlebia - male Drunella walkeri Imago emerges - Caenis - male Mayfly larva - Leptohyphes Have a seat - Hexagenia bilineata - female huge mayfly - Hexagenia Mayfly with eggmass - female

Mayfly Larva - Arthroplea bipunctata mayfly - Rhithrogena - male Callibaetis imago - Callibaetis - female Heptageniidae, genus Epeorus - Epeorus Baetidae, Heterocloeon curiosum - Heterocloeon curiosum Heterocloeon curiosum - male Unknown insect - Nixe Adult Epeorus??? - Siphloplecton speciosum - male

Ephemeroptera 3025028 Mayfly Near the lake