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Bumble Bees of North America : An Identification Guide

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

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Leveringstid: 14-30 virkedager

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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 species.

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