Bombus (Thoracobombus) pensylvanicus (De Geer, 1773) Counties: Anoka, Becker, Benton, Big Stone, Brown, Chippewa, Clay, Cottonwood, Dakota, Douglas, Faribault, Fillmore, Freeborn, Goodhue, Grant, Hennepin, Jackson, Kandiyohi, Kittson, Lac qui Parle, Lincoln, Lyon, Marshall, Martin, Meeker, Mille Lacs, Mower, Murray, Nobles, Olmsted, Otter Tail, Pipestone, Pope, Ramsey, Red Lake, Redwood, Renville, Rock, Roseau, Sherburne, Sibley, Stearns, Steele, Stevens, Swift, Traverse, Wabasha, Washington, Watonwan, Yellow Medicine. Comments: This species is listed as vulnerable to extinction by the International Union for the Conservation of Nature (Hatfield et al. 2015) and had a USFWS positive 90-day finding (U.S. Fish and Wildlife Service, 2021) and awaits a listing decision. It has experienced precipitous declines in much of its range but remains locally abundant in some areas of western Minnesota. Genus Brachymelecta Linsley Taxonomy: Hurd & Linsley (1951); Onuferko et al. (2021). Following Onuferko et al. (2021), we treat the genus Xeromelecta as a junior synonym of Brachymelecta., Published as part of Portman, Zachary M., Gardner, Joel, Lane, Ian G., Gerjets, Nicole, Petersen, Jessica D., Ascher, John S., Arduser, Mike, Evans, Elaine C., Boyd, Crystal, Thomson, Robin & Cariveau, Daniel P., 2023, A checklist of the bees (Hymenoptera: Apoidea) of Minnesota, pp. 1-95 in Zootaxa 5304 (1) on page 32, DOI: 10.11646/zootaxa.5304.1.1, http://zenodo.org/record/8048569, {"references":["Hatfield, R., Colla, S., Jepsen, S., Richardson, L. L., Thorp, R. & Jordan, S. F. (2015) IUCN Assessments for North American Bombus spp. for the North American IUCN Bumble Bee Specialist Group. Xerces Society for Invertebrate Conservation, Portland, Oregon, 56 pp.","U. S. Fish and Wildlife Service (2021) Endangered and threatened wildlife and plants; 90 - day findings for five species. Federal Register, 86, 53937 - 53941.","Hurd, P. D. & Linsley, E. G. (1951) The Melectine bees of California (Hymenoptera: Anthophoridae). Bulletin of the California Insect Survey, 1, 119 - 135.","Onuferko, T. M., Packer, L. & Genaro, J. A. (2021) Brachymelecta Linsley, 1939, previously the rarest north american bee genus, was described from an aberrant specimen and is the senior synonym for Xeromelecta Linsley, 1939. European Journal of Taxonomy, 754, 1 - 51. https: // doi. org / 10.5852 / ejt. 2021.754.1393"]}