Apis alata Fabricius, 1798:274,America boreali (leg. v. Rohr). - 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.:2204 ( listed as synonym of Bombus fervidus fervidus (Fabricius, 1798)). - As Apathus alatus: - As Apathus elatus: - Cresson, 1863Cresson, E.T. 1863. A communication on some Bombus with description of a new species. Proceedings of the Entomological Society of Philadelphia 2 (3):164-166. (distribution); Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:400 ( listed as synonym of Bombus pennsylvanicus (De Geer, 1773)); Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641. (distribution), 542 ( listed as synonym of Bombus laboriosus Fabricius, 1804). - As Apathus elatus: - Cresson, 1863Cresson, E.T. 1863. A communication on some Bombus with description of a new species. Proceedings of the Entomological Society of Philadelphia 2 (3):164-166. (distribution); Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:400 ( listed as synonym of Bombus pennsylvanicus (De Geer, 1773)); Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641. (distribution), 542 ( listed as synonym of Bombus laboriosus Fabricius, 1804). - As Apis elata: - Handlirsch, 1888Handlirsch, A. 1888. Die Hummelsammlung des k. k. naturhistorischen Hofmuseums. Annalen des Naturhistorischen Museums in Wien 3:209-250.:238 ( listed as synonym of Bombus pennsylvanicus (De Geer, 1773)). - As Apis elata: - Handlirsch, 1888Handlirsch, A. 1888. Die Hummelsammlung des k. k. naturhistorischen Hofmuseums. Annalen des Naturhistorischen Museums in Wien 3:209-250.:238 ( listed as synonym of Bombus pennsylvanicus (De Geer, 1773)). - As Bombus elatus: - 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.:2204 (emendation). - As Bombus elatus: - 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.:2204 (emendation).
Apis fervida Fabricius, 1798:274, sex not indicated.America boreali (leg. v. Rohr). - As Bombus fervidus fervidus: - 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).
Bombus fervidus dorsalis Cresson, 1879:230, ♀ - Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641. (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.:2204 ( listed as synonym of Bombus fervidus fervidus (Fabricius, 1798)). - As Bombus dorsalis: - 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.:389 ( listed as synonym of Bombus fervidus (Fabricius, 1798)).
Bombus nevadensis aztecus Cockerell, in Cockerell & Porter, 1899:389, ♀. 1 ♀, Aztec (leg. C.E. Mead); 1 ♀, Las Vegas (leg. W. Porter); 1 ♀, Beulah, May 30 (leg. W. Porter); 1 ♀, Mescalero Agency, July 12 (leg. C.M. Barber); 1 ♀, half a mile below forks of Ruidoso Creek, Aug. 28 (leg. Barber). - 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, 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); Franklin, 1913Franklin, H.J. 1913. The Bombidae of the New World. Transactions of the American Entomological Society 38 (3/4):177-486.:389 ( listed as synonym of Bombus fervidus (Fabricius, 1798)); Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641.:515 ( listed as synonym of Bombus fervidus dorsalis Cresson, 1879); 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.:2204 ( listed as synonym of Bombus fervidus fervidus (Fabricius, 1798)).
Bombus fervidus umbraticollis Friese, 1931:301 - 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.:2204 ( listed as synonym of Bombus fervidus fervidus (Fabricius, 1798)).