The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
References
- Krombein, Karl V., Paul D. Hurd, Jr., David R. Smith, and B. D. Burks. 1979. Catalog of Hymenoptera in America North of Mexico, vol. 2: Apocrita (Aculeata). xvi + 1199-2209
- Lectotype: 1878. Proceedings of the Academy of Natural Sciences of Philadelphia. 183.
- Williams, P. H. 1998. An annotated checklist of bumble bees with an analysis of patterns of description (Hymenoptera: Apidae, Bombini). Bulletin of the Natural History Museum (Entomology), vol. 67, no. 1. 79-152
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