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  1. The nest biology of the bee Andrena (Ptilandrena) erigeniae Robertson (Hymenoptera: Andrenidae) / Lloyd R. Davis, Jr., Wallace E. LaBerge.
    By: Davis, Lloyd R. - LaBerge, Wallace E.
    Publication info: Urbana :Illinois Natural History Survey,1975.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Andrena  Bees  Brownfield Woods  Illinois  
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