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Upcoming Events

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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

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

Photos of 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

Previous events


Genus Ephemerella

Mayfly 3 - Ephemerella invaria - male Mayfly - Ephemerella subvaria Ephemerella dorothea - male Mayfly nymph? - Ephemerella Ephemeroptera - Ephemerella   - Ephemerella invaria   - Ephemerella invaria - female Pennsylvania Mayfly for ID - Ephemerella
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Pannota
Superfamily Ephemerelloidea
Family Ephemerellidae (Spiny Crawler Mayflies)
Genus Ephemerella
Explanation of Names
Ephemerella Walsh 1862
17 spp. in our area (+some dubious ones)(1) + 3 more in the Palaearctic(2)
holarctic genus; 3 of our spp. (E. aurivillii, E. nuda, E. mucronata) are holarctic(2)
E. floripara McCafferty 1985 not listed in(2)