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

Order Ephemeroptera - Mayflies


fat spiny Mayfly larva - Baetisca laurentina fat spiny Mayfly larva - Baetisca laurentina Mayfly Larva - Baetisca laurentina Mayfly Larva - Baetisca laurentina Mayfly Larva - Baetisca laurentina Ritchie County Mayfly - Baetisca Baetisca berneri Baetisca berneri

Leptophlebia ? - Leptophlebia - female Paraleptophlebia helena - voucher specimen, in alcohol - Paraleptophlebia helena Ephemerella dorothea infrequens - voucher specimen, in alcohol - Ephemerella dorothea Ephemeridae - Hexagenia - female Mayfly - Hexagenia Mayfly ID, please - Hexagenia bilineata Ephemeroptera - Ephemerella invaria Paraleptophlebia assimilis - Paraleptophlebia

white mayfly - Maccaffertium Rhithrogena sp - Rhithrogena Maybe mayfly - Procloeon nelsoni mayfly - Leucrocuta - female Mayfly Nymph - Maccaffertium Nymph? - Baetis brunneicolor Mayfly - Isonychia Savage mayfly - Maccaffertium

Mayfly - female Mayfly - female Ephemeroptera