516 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



BOMBUS subgenus SEPARATOBOMBUS Prison, p. 1248 



Transf. with component species to Pyrobombus subg. CuIIumanobombus 

 Vogt. 



BOMBUS subgenus CROTCHIIBOMBUS Franklin, Sup. 1, p. 260 



Transf. with included species to Pyrobombus subg. CuIIumanobombus 

 Vogt. 



Section Odonfobombus Krueger, p. 1249 



Delete this sectional heading; it is equivalent to Megabombus subg. 

 Megabombus Dalla Torre (teste Milliron, 19G1, loc. cit. supra, p. 53). 



BOMBUS subgenus SUBTERRANEOBOMBUS Vogt, p. 1249 



Transf. with included species to Megabombus subg. Megabombus Dalla 

 Torre. 



BOMBUS subgenus FERVIDOBOMBUS Skorikov, p. 1249 



Transf. with component species to Megabombus subg. Megabombus Dalla 

 Torre. 



Section Anoc/onfobombus Krueger, p. 1 249 



Delete this sectional heading: it is equivalent to Pyrobombus subg. Pyro- 

 bombus Dalla Torre {teste Milliron, 1961, loc. cit. supra, p. 53). 



BOMBUS subgenus ALPINOBOMBUS Skorikov, pp. 1253-1254 



Transf. with included species to Megabombus subg. Megabombus Dalla 

 Torre. 



Genus BOMBUS Latreilie 

 ( = 6ombus subg. Bombus Latreilie, p. 1250) 



affinis Cresson. 



Bombus (Bombus )affinis var. novae-angliae Bequaert. Syn. by Mitchell, 

 1962, loc. cit. supra, p. 518. 



affinis var. novae-angliae Bequaert. Syn. of affinis Cresson. 



occidentalis nigroscutatus Franklin. Coastal north. Calif. 



occidentalis occidentalis Greene. Western U. S. and Canada except coastal 

 north. Calif. 

 Bombus occidentalis var. proximus Cresson (syn. by Stephen, 1957. 

 Oreg. Agr. Expt. Sta. Tech. Bui. 40: 72). 



occidentalis var. proximus Cresson. Syn. of occidentalis occidentalis Greene. 



* Genus MEGABOMBUS Dalla Torre 



MEGABOMBUS subgenus BOMBIAS Robertson 

 ( = Bon7bus subg. Bomb/as Robertson, p. 1247) 



auricomus (Robertson). A subsp. of nevadensis Cresson. 



nevadensis auricomus (Robertson), changed status. 



Bombus (Bombias) auricomus (Robertson). Reduced to subsp. rank 

 {teste Mitchell, 1962, loc cit. supra, p. 520). 



MEGABOMBUS subgenus MEGABOMBUS Dalla Torre 



*Megabombus Dalla Torre, 1880. Der Naturhist. 2: 40. 



Type: (Bombus ligusticus Spinola) = Apis argillacea Scopoli. 

 By monotypy. 

 Bombus subg. Subterraneobombus Vogt (syn by Milliron, 1961, loc. cit. 



supra, p. 56). 

 Bombus subg. Fervidobombus Skorikov (syn. by Milliron, 1961, loc. cit. 



supra, p. 56) . 

 Bombus subg. Alpinobombus Skorikov (syn. by Milliron, 1961, loc. cit. 

 supra, p. 56). 



