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By "Westby, Sue M "
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The Male of Megachile Nivalis Friese, with an Updated Key to Members of the Subgenus Megachile s. str. (Hymenoptera: Megachilidae) in North America
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By: Sheffield, Cory S - Westby, Sue M
Type: Article
In: Journal of Hymenoptera research
Volume: 16
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Date: 2007
Page Range: 178--191
Publication Info: Washington, D.C, International Society of Hymenopterists, [1992-
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