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

Superfamily Heptagenioidea


mayfly - Arthroplea bipunctata - female Mayfly Larva - Arthroplea bipunctata Mayfly Larva - Arthroplea bipunctata Mayfly - Arthroplea bipunctata - female Mayfly - Arthroplea bipunctata Mayfly - Arthroplea bipunctata - male big-eyed mayfly - Arthroplea bipunctata - male big-eyed mayfly - Arthroplea bipunctata - male

Mayfly - Stenacron interpunctatum - male Mayfly - Stenacron Leucrocuta sp. - Leucrocuta - male Mayfly - Leucrocuta - male mayfly 3 - Maccaffertium vicarium Stenacron interpunctatum complex - Stenacron Stenacron interpuntatum ? - Stenacron interpunctatum Ephemeroptera. - Cinygmula subaequalis - male

brown mayfly - Isonychia Unknown fly? - Isonychia Brushlegged Mayfly - Isonychia tusculanensis - male Isonychia - male Mayfly - Isonychia dark brown mayfly with black wings - Isonychia what am I? - Isonychia Mayfly? - Isonychia rufa

Homoeoneuria homoeoneuria - Homoeoneuria Homoeoneuria exoskeleton Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni

Pseudiron centralis Pseudiron centralis Mayfly - Pseudiron centralis - female Mayfly - Pseudiron centralis - female Pseudiron adult - Pseudiron centralis - female Mayfly nymph species unknown - Pseudiron centralis