Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


Taxonomy
Browse
InfoImagesLinksBooksData

Family Heptageniidae - Flatheaded Mayflies

 
 
1 2 3
next page
last page

Cinygma - female Cinygma - female Cinygma - female yellow male subimago? - Cinygma dimicki Very Pale Mayfly - Cinygma lyriforme - female Cinygma, maybe dimicki? - Cinygma Cinygma, maybe dimicki? - Cinygma Cinygma, maybe dimicki? - Cinygma - female

Cinygmula subaequalis Cinygmula subaequalis Cinygmula subaequalis Cinygmula subaequalis Cinygmula subaequalis Cinygmula subaequalis mayfly - Cinygmula - male Cinygmula? - Cinygmula subaequalis

Mayfly Nymph - Ecdyonurus Ecdyonurus criddlei parastized by Symbiocladius sp. - voucher specimens, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei parastized by Symbiocladius sp. - voucher specimens, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei parastized by Symbiocladius sp. - voucher specimens, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei - voucher specimen, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei - voucher specimen, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei - voucher specimen, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei

mayfly larva - Epeorus Epeorus deceptivus mayfly nymph - Epeorus Epeorus pleuralis Epeorus dispar - Epeorus dispar Mayfly - Epeorus vitreus Epeorus vitreus - female mayfly ID please - Epeorus vitreus

Heptageniid - Heptagenia Mayfly - Heptagenia flavescens Heptagenia marginalis Oregon Mayfly - Heptagenia elegantula Mayfly - Heptagenia marginalis Ephemeroptera - unid. - Heptagenia ID Request - Heptagenia Cherry Creek Dog Park Mayfly - Heptagenia elegantula

 
 
1 2 3
next page
last page