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rusty-patched bumble bee? - Bombus affinis

rusty-patched bumble bee? - Bombus affinis
Decorah Prairie, Winneshiek County, Iowa, USA
August 30, 2018
Size: 15 mm
I am just starting to sort through the hundreds of photos I took of pollinators and other insects in Winneshiek County IA during the spring, summer and fall seasons, taking time now in the winter to identify them. I am 99% sure this is a rusty-patched bumble bee (Bombus affinis), but would like confirmation from an expert since this bumble bee is listed as an endangered species by the U.S. Fish & Wildlife Service.

Moved from ID Request.

rusty-patched bumble bee
That's fantastic, John! Thanks so much for confirming this ID! I work for a conservation agency that is trying to restore prairie and pollinator habitat near Decorah IA, and knowing there are rusty-patched bumble bees in the area will help us secure more funding for those projects.

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