Page 2196 • Top • -1 • +1 • Original • Database of Hymenoptera in America north of Mexico • Highertaxa
Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 44-49, 61, fig. 10, map 5
(redescriptions, as nevadensis nevadensis, n. miguelensis, crotchii semisnffiisus).
—Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bui. 152: 521-523, figs. 129, 130, table 18
(redescription). — Milliron, 1971. Ent. Soc. Canada, Mem. 82: 73-77, pi. XI, map 5
(synonymy, redescription, geogr. and floral records).
Genus BOMBUS Subgenus SEPARATOBOMBUS Prison
Bremus subg. Separatobombus Prison, 1927. Amer. Ent. Soc, Trans. 53: 64.
Type-species: Apis griseocollis Degeer. Orig. desig. (=Bombiis separatus Cresson).
This subgenus is endemic in North America.
Bombus griseocollis (Degeer)
Que. south to Fla., west to B. C, Wash., Oreg. and north. Calif.
Apis griseocollis Degeer, 1773. Mem. Serv. Hist. Insectes, v. 3, p. 576.
(Dvirginica Olivier, 1789. Encycl. Meth., v. 4, p. 66.
{'!)virginica Pabricius, 1793. Ent. System., v. 2, p. 318.
CDvirginicHs Pabricius, 1804. Systema Piezatorum, p. 346.
Bombits sepai-atus Cresson, 1863. Ent. Soc. Phila., Proc. 2: 165. 9, 6, 5-
Bombus mormonorum Pranklin, 1911. Amer. Ent. Soc, Trans. 37: 161. 9, 6, 5.
Bremus separatus var. nero Bequaert and Plath, 1925. Mus. Compar. Zool., Bui. 67: 275. ♂.
Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Tech. Bui. 40: 50-54, fig. 13, map 6 (synonymy,
redescription, geogr. records). —Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bui. 152:
527-529, figs. 129, 132, table 18 (synonymy, redescription, geogr. range and floral records).
— Milliron, 1973. Ent. Soc Canada, Mem. 91: 247-252, pi. XVI, fig. 37 (synonymy,
redescription, geogr. and floral records).
Biology: Plath, 1927. Psyche 34: 125-127 (life history, as separatus). —Plath, 1927. Ent. Soc
Amer., Ann. 20: 190 (hibernation, as separatus). —Plath, 1934. Bumblebees and their
ways, p. 155 (life history, as separatus). — Eshelman and Plowright, 1972. Canad. Ent.
104: 389-398 (nest entrance recognition).
Morphology: Stephen and Koontz, 1973. Melanderia 13: 13-29, 50 figs, (developmental
changes in preadult stages).
Bombus morrisoni Cresson
B. C. to Calif., east to S. Dak., Nebr., Colo, and N. Mex. Parasite:
Monodontomerus luontivagus Ashm.
Bovibus morrisoni Cresson, 1878. Acad. Nat. Sci. Phila., Proc. p. 183. 9, S, 5.
Bombus morrisoni var. umbrosus Priese, 1931. Konowia 10: 301.
Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 54-57, fig. 12, map 6
(redescription, geogr. records). —Milliron, 1973. Ent. Soc. Canada, Mem. 91: 252-256, pi.
XVI, map 38 (synonymy, redescription, geogr. and floral records).
Biology: Bohart and Knowlton, 1952. Econ. Ent., Jour. 45: 890-891 (yearly population
fluctuations).
Genus BOMBUS Subgenus CROTCHIIBOMBUS Franklin
Bombus subg. C rotchiibombus Franklin, 1954. Amer. Ent. Soc, Trans. 80: 51.
Type-species: Bombus crotchii Cresson. Orig. desig.
Endemic in western North America.
Bombus crotchii Cresson
Calif.; Mexico (Baja California).
Bombus crotchii Cresson, 1878. Acad. Nat. Sci. Phila., Proc p. 184. ♀.
Bombus nigrocinctus Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 342. ♀.
Bremus crotchii var. nigricaudus Prison, 1927. Calif. Acad. Sci., Proc. (4) 16: 375. ♀.
Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 57-61, fig. 15, map 7
(synonymy, redescription, geogr. records). —Milliron, 1973. Ent. Soc. Canada, Mem. 91:
256-258, pi. XVI, map 39 (synonymy, redescription, geogr. records).
Genus BOMBUS Subgenus CULLUMANOBOMBUS Vogt
Bombus subg. Cullumanobombus Vogt, 1911. Gesell. Naturf. Freunde, Sitzber. p. 57.
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