Identification, Images, & Information
For Insects, Spiders & Their Kin
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Calendar
Upcoming Events

Information about the 2019 BugGuide 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.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Taxonomy
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Genus Heptagenia


Unknown Mayfly - Heptagenia elegantula Oregon Mayfly - Heptagenia elegantula Oregon Mayfly - Heptagenia elegantula Oregon Mayfly - Heptagenia elegantula Heptagenia elegantula? - Heptagenia elegantula

Heptageniidae: Heptagenia flavescens - Heptagenia flavescens - male Mayfly - Heptagenia flavescens Mayfly - Heptagenia flavescens Mayfly - Heptagenia flavescens unknown mayfly - Heptagenia flavescens Mayfly July 3 - Heptagenia flavescens

Heptageniidae, Heptagenia marginalis - Heptagenia marginalis Heptageniidae, Heptagenia marginalis - Heptagenia marginalis Heptageniidae, Heptagenia marginalis - Heptagenia marginalis Heptagenia marginalis Heptagenia marginalis Heptagenia marginalis Heptagenia marginalis Mayfly - Heptagenia marginalis

Flatheaded Mayfly - Heptagenia solitaria Heptagenia solitaria