2198 Hymenoptera in America North of Mexico 



Bombus Vancouver ensis Cresson, 1878. Acad. Nat. Sci. Phila., Proc. p. 187. 6. 

 Bombus cooleyi Morrill, 1903. Canad. Ent. 35: 222. 



Bombus edwardsii var. kenoyeri Cockerell, 1915. Ann. and Mag. Nat. Hist. (8) 16: 483. 9. 

 Bombus bifarius var. arctostaphyli Cockerell, 1930. Ann. and Mag. Nat. Hist. (10) 5: 405. 



6. 

 Bombus edwardsii \a.r. fuscifrons Swenk, 1938. Pan-Pacific Ent. 14: 30. 9, ?. 



Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 139-145, figs. 5, 29, map 18 

 (synonymy, redescription, tax. status, variation in color pattern, geogr. records). 



Biology: Armitage, 1965. Kans. Ent. Soc, Jour. 38: 97 (predator). 

 bifarius nearcticus Handlirsch. Alaska and Yukon, south to Calif. (Sierra Nevada Mts.) and 

 Utah. Parasite: Psithyrus insularis (Sm.), Volucella bombylans (L.). 

 Bombus nearcticus Handlirsch, 1888. K. K. Naturhist. Hofmus., Ann. 3: 243. 9, 6, 5. 



Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 139-141, 145-148, figs. 5, 29, 

 map 18 (tax. status, redescription, variation in color pattern, geogr. records). 

 bimaculatus Cresson. Ont. and Maine, south to Fla., west to 111., Kans., Okla. and Miss. 

 Parasite: Brachicoma sarcophagina (Twns.). 

 Bombus bimaculatus Cresson, 1863. Ent. Soc. Phila., Proc. 2: 92. 6. 

 Bombiis ridingsii Cresson, 1878. Acad. Nat. Sci. Phila., Proc, p. 182. 9,5. 

 Bremus bimaculatus var. ahenus Bequaert and Plath, 1925. Mus. Compar. ZooL, Bui. 67: 



275. 9, (J. 



Bremjis bimaculatus var. arboreti Bequaert and Plath, 1925. Mus. Compar. ZooL, Bui. 67: 



276. 9. 



Taxonomy: Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bui. 152: 531-532, table 18 

 (redescription). 



Biology: Plath, 1922. Psyche 29: 194-195 (life history). —Plath, 1927. Ent. Soc. Amer., Ann. 

 20: 189 (hibernation). —Prison, 1928. Ent. Amer. (n. s.) 8: 159-223 (life history). —Plath, 

 1934. Bumblebees and their ways, p. 141 (life history). — Townsend, 1936. Ent. Soc. Wash., 

 Proc. 38: 92-98 (parasites). 

 caliginosus (Prison). Wash., Oreg. and Calif. Ecology: Generally inhabits more coastal areas, 

 but the known southernmost populations occur in the San Jacinto Mts. of south. Calif.; 

 the only known nest was located in an old bird nest some 15 feet above ground. 

 Bremus caliginosus Prison, 1927. CaHf. Acad. Sci., Proc. (4) 16: 376. 6. 

 Bremus caligiyiosus var. tardus Prison, 1927. Calif. Acad. Sci., Proc. (4) 16: 380. 6. 



Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 100-104, fig. 20, map 13 

 (synonymy, redescription, geogr. records). 



Biology: Pitelka, 1954. Pan-Pacific Ent. 30: 220 (nest). 

 centralis (Cresson). B. C. and Alta. south to Calif., Ariz, and N. Mex. Predator: Philanthus 

 bicinctus (Mickel). 

 Bombus centralis Cresson, 1864. Ent. Soc. Phila., Proc. 3: 41. 9. 

 Bombus juxtus Cresson, 1878. Acad. Nat. Sci. Phila., Proc. p. 187. 9. 

 Bombus monardae Cockerell and Porter, 1899. Ann. and Mag. Nat. Hist. (7) 4: 387. 9. 

 Bremus centralis \ar.fucatus Prison, 1929. Amer. Ent. Soc, Trans. 55: 107. 9. 

 Bremus centralis var. stolidus Prison, 1929. Amer. Ent. Soc, Trans. 55: 107. 9. 



Taxonomy: Stephen, 1957. Oreg. Agr. Expt. Sta. Tech. Bui. 40: 95-100, fig. 19, map 12 

 (synonymy, redescription, color variation of vestiture, geogr. records). 



Biology: Armitage, 1965. Kans. Ent. Soc, Jour. 38: 97 (predator). 

 cockerelli Franklin. N. Mex., Utah. 



Bombus cockerelli Pranklin, 1913. Amer. Ent. Soc, Trans. 38: 356. 9, 2. 

 edwardsii Cresson. Oreg., Calif., Nev. (Douglas and Washoe Counties). 



Bombus edwardsii Cresson, 1878. Acad. Nat. Sci. Phila., Proc. p. 184. 9,5. 



Bombus femaldi Pranklin, 1911. Amer. Ent. Soc, Trans. 37: 157. 9, d, 5. 



Bombus lapponicus var. i^isularis Friese, 1924. Deut. Ent. Ztschr., p. 437. 9. 



