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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Information, insects and people from 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


Genus Maccaffertium

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies
Suborder Pisciforma
Superfamily Heptagenioidea
Family Heptageniidae - Flatheaded Mayflies
Genus Maccaffertium

Species exiguum - Maccaffertium exiguum
Species ithaca - Maccaffertium ithaca
Species mediopunctatum - Maccaffertium mediopunctatum
Species meririvulanum - Maccaffertium meririvulanum
Species mexicanum - Maccaffertium mexicanum
Species modestum - Maccaffertium modestum
Species pudicum - Maccaffertium pudicum
Species pulchellum - Maccaffertium pulchellum
Species smithae - Maccaffertium smithae
Species terminatum - Maccaffertium terminatum
Species vicarium - Maccaffertium vicarium