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      Cover image for Bumble Bees of North America: An Identification Guide
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      Bumble Bees of North America: An Identification Guide

      Paul H. Williams,Robbin W. Thorp,Leif L. Richardson,Sheila R. Colla

      A guide to North American bumble bees. It focuses on the molecular research that shows the enormous color variation within species, and guides readers through the many confusing convergences between…

      $57.99

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