Diane G. Alston, dianea@biology.usu.edu, Utah State University, Biology, 5305 Old Main Hill, Logan, UT and Vincent J. Tepedino, andrena@biology.usu.edu, USDA-ARS Bee Biology and Systematics Laboratory, 5310 Old Main Hill, Logan, UT.
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Species 1: Hymenoptera Megachilidae
Megachile rotundata (alfalfa leafcutting bee)
Species 2: Hymenoptera Megachilidae
Osmia lignaria (blue orchard bee)
Species 3: Hymenoptera Apidae
Anthophora (digger bee)