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

Order Ephemeroptera - Mayflies


Callibaetis? - Callibaetis californicus Callibaetis californicus? - Callibaetis californicus Callibaetis californicus? - Callibaetis californicus baetid female 2 - Callibaetis californicus What Species? - Callibaetis californicus Small Minnow Mayfly - Callibaetis californicus - female

Mayfly - Cloeon dipterum small minnow mayfly - Cloeon dipterum - female small minnow mayfly - Cloeon dipterum - female small minnow mayfly - Cloeon dipterum - female small minnow mayfly - Cloeon dipterum - female Mayfly - Cloeon dipterum Mayfly - Cloeon dipterum Ephemeroptera - Cloeon dipterum Ephemeroptera - Cloeon dipterum Mayfly - Cloeon dipterum - male April mayfly - Cloeon dipterum Baetid subimago - Cloeon dipterum - female Baetid subimago - Cloeon dipterum - female Baetid subimago - Cloeon dipterum - female Baetid imago - Cloeon dipterum - male Baetid imago - Cloeon dipterum - male Baetid imago - Cloeon dipterum - male Cloeon dipterum - female