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Upcoming Events

Discussion of 2018 gathering

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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


humeralis group

black and orange unknown - Arge humeralis What is this orange and purple caterpillar in Columbus, OH? - Arge humeralis poison ivy sawfly larva - Arge humeralis Argidae ? - Arge humeralis Female Arge humeralis? - Arge humeralis - female Stumped - ant head, red body, black wings - Arge humeralis Sawfly? - Arge humeralis Arge humeralis - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Argidae (Argid Sawflies)
Genus Arge
No Taxon humeralis group
6 spp. in our area, 14 spp. total(1); not yet in the guide: A. arida AZ, A. illuminata TX-AZ, A. texana TX
Western Hemisphere: ON to Colombia, most diverse in Mexico & sw. US; 2 spp. in e. NA(1)
hosts: the eastern spp. on Rhus; hosts of other spp. unknown(1)
Works Cited
1.The sawfly genus Arge (Hymenoptera: Argidae) in the Western Hemisphere
Smith D.R. 1989. Transactions of the American Entomological Society 115: 83-205.