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  1. By: Gonzalez, Victor H. - Engel, Michael S.
    Type: Article
    In: ZooKeys
    Volume: 172
    Date: 2012
    Page Range: 77-87
    Publication Info: Sofia, Bulgaria Pensoft Publishers
    Subjects: Anthophila  Apinae  Apoidea  Joe Arroyo  Meliponini  Neotropics  stingless bees  taxonomy