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

Baetis intercalaris adult male - Baetis intercalaris - male Mayfly - Baetis tricaudatus Baetidae, Baetis pluto - Baetis pluto Aquatic Larvae - Baetis tricaudatus Mayfly - Baetis intercalaris Ephemeroptera - Baetis brunneicolor Baetidae - Baetis tricaudatus - female Ephemeroptera - Baetis tricaudatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Family Baetidae (Small Minnow Mayflies)
Genus Baetis
Explanation of Names
Baetis Leach 1815
the largest mayfly genus, with 20 spp. in our area(1) and >150 worldwide(2)
worldwide, by far most diverse in the Palaearctic, poorly represented in the tropics and essentially restricted to the n. hemisphere(2)