A cladistic analysis and classification of the subgenera and genera of the large carpenter bees, tribe Xylocopini (Hymenoptera: Apidae) Minckley, Robert L. creator Missouri. Department of Conservation. contributor text book Lawrence, Kan Natural History Museum, The University of Kansas [1998] 1998
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ENG Caption title. "07 August 1998." Carpenter bees Classification Xylocopa QL568.A53 M56 1998 Scientific papers / Natural History Museum, the University of Kansas, no. 9:1-47 https://www.biodiversitylibrary.org/bibliography/48421 https://www.biodiversitylibrary.org/bibliography/16168 40171072 10.5962/bhl.title.16168 SDB