The Male of Megachile Nivalis Friese, with an Updated Key to Members of the Subgenus Megachile s. str. (Hymenoptera: Megachilidae) in North America

Cory S Sheffield
Sue M Westby

Published in Journal of Hymenoptera Research, in 2007, in volume 16, pages 178-191

Date published:2007

BHL: 2840029
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