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By: Gonzalez, Victor H. - Engel, Michael S. - Lucia, Mariano - Alvarez, LeopoldoType: ArticleIn: Journal of Hymenoptera ResearchVolume: 30Series:Issue:Date: 2013Page Range: 13-18Publication Info: Pensoft Publishers 2013Subjects: Anthophila, bees, Apoidea, wood-boring bees