Bombus rufo-cinctus Cresson, 1863:106, ♂xw. 1 ♂, 1 xw, Pike's Peak (Ent. Soc. Phil, leg. W.J. Howard). - As Bombus rufocinctus: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Cockerell & Porter, 1899Cockerell, T.D.A. & Porter, W. 1899. Contributions from the New Mexico Biological Station. - VIII. The New Mexico bees of the genus Bombus. The Annals and Magazine of Natural History ser. 7: v. 4:386-393. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1907Cockerell, T.D.A. 1907. The bees of Boulder County, Colorado. University of Colorado Studies 4:239-259. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486. (distribution); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Mayer et al., 2000Mayer, D.F., E.R. Miliczky, B.F. Finnigan & C.A. Johansen 2000. The bee fauna (Hymenoptera: Apoidea) of southeastern Washington. Journal of the Entomological Society of British Columbia 97:25-32. (distribution); Abrahamovich & Díaz, 2002Abrahamovich, A.H. & N.B. Díaz 2002. Bumble bees of the Neotropical Region (Hymenoptera: Apidae). Biota Colombiana 3 (2):199-214. (distribution); Yáñez-Ordóñez & Hinojosa-Díaz, 2004Yáñez-Ordóñez, O. & I. Hinojosa-Díaz 2004. La colección himenopterológica (Insecta) del Museo de Zoología Alfonso L. Herrera de la Facultad de Ciencias, UNAM, México. Acta Zoológica Mexicana (nueva serie) 20 (1):167-197. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).
Bombus iridis Cockerell & Porter, 1899:390, ♀. ♀, Beulah, New Mexico, May 30, 1899 (leg. W. Porter). - Cockerell, 1901Cockerell, T.D.A. 1901. Flower and insect records from New Mexico. Entomological News 12 (2):38-43. (distribution); Cockerell, 1904Cockerell, T.D.A. 1904. Some bees from San Miguel County, New Mexico. The Entomologist 37 (488):5-9. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:438 ( listed as synonym of Bombus rufocinctus Cresson, 1863); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus prunellae Cockerell & Porter, 1899:391, ♀xw.Beulah, New Mexico (leg. W. Porter). - Cockerell, 1901Cockerell, T.D.A. 1901. Flower and insect records from New Mexico. Entomological News 12 (2):38-43. (distribution); Cockerell, 1902Cockerell, T.D.A. 1902. Flowers and insects in New Mexico. American Naturalist 36 (430):809-817. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:439 ( listed as synonym of Bombus rufocinctus Cresson, 1863); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus vancouverensis Viereck, 1904:98 - Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:439 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus iridis phaceliæ Cockerell, 1906:160, ♀. ♀, Ward, Colorado; alt. 9,000 ft., July 18, 1905 (leg. W.P. & T.D.A. Cockerell). - Cockerell, 1906Cockerell, T.D.A. 1906. The bees of Florissant, Colorado. Bull. American Mus. Nat. Hist. 22:419-455. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:439 ( listed as synonym of Bombus rufocinctus Cresson, 1863); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus rufocinctus astragali Cockerell, 1907:97, ♀. ♀, Boulder, Colorado, June 9th, 1905 (leg. W.P. Cockerell); ♀, Ward, Colorado (leg. Cockerell); ♀, Florissant, Colorado (leg. Rohwer). - Cockerell, 1907Cockerell, T.D.A. 1907. The bees of Boulder County, Colorado. University of Colorado Studies 4:239-259. (distribution); Cockerell, 1910Cockerell, T.D.A. 1910. Some bees from Eldora, Colorado. Psyche 17 (6):244-247. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:439 ( listed as synonym of Bombus rufocinctus Cresson, 1863); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:529 ( listed as synonym of Bombus rufocinctus Cresson, 1863); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus hyperboreus Albertensis Cockerell, 1909:36, ♀. ♀, Calgary, Alberta, British America (leg. F.H. Wolley Dod). - Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:440 ( listed as synonym of Bombus rufocinctus Cresson, 1863); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus mexicensis Franklin, 1911:163, ♀. Cotype 3♀♀, Mexico (United States National Museum); Cotype ♀, Mexico (Massachusetts Agricultural College). - Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Part II - Species south of the United States. Transactions of the American Entomological Society 39 (2):73-200. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus henshawi Franklin, 1913:446, ♀. Types 2 ♀♀, San Francisco and Palo Alto, California (Museum of Comparative Zoölogy at Cambridge and Leland Stanford Jr. University). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus rufocinctus castoris Cockerell, 1915:537, ♂. ♂, Beaver Creek, Montana, 6300 ft., Aug. 1913 (leg. S.J. Hunter). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).
Bombus rufocinctus sladeni Frison, 1926:138 - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2197 ( listed as synonym of Bombus rufocinctus Cresson, 1863).