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

Order Ephemeroptera - Mayflies


Mayfly - Callibaetis pictus Mayfly - Callibaetis pictus Mayfly - Callibaetis pictus Fork-tailed Fly - Callibaetis pictus Mayfly-4701 - Callibaetis pictus  Unk Mayfly - Callibaetis pictus  Unk Mayfly - Callibaetis pictus

Callibaetis? - Callibaetis fluctuans Callibaetis pretiosus? - Callibaetis fluctuans Callibaetis? - Callibaetis fluctuans Mayfly - Callibaetis fluctuans Female Callibaetis fluctuans? - Callibaetis fluctuans - female Female Callibaetis fluctuans? - Callibaetis fluctuans - female Female Callibaetis fluctuans? - Callibaetis fluctuans - female Mayfly in March at Ash Meadows NWR - Callibaetis fluctuans Mayfly ID - Callibaetis fluctuans Mayfly - Callibaetis fluctuans Bug eyes - Callibaetis fluctuans mayfly - Callibaetis fluctuans mayfly - Callibaetis fluctuans mayfly? - Callibaetis fluctuans mayfly - Callibaetis fluctuans - female Brown-costaed white mayfly - Callibaetis fluctuans Mayfly - Callibaetis fluctuans - female