Ephippiatus

Bombus ephippiatus Say
ephippiàtus [ephippiatus] Say, 1837:414
formosus Smith, 1854:403, examined
lateralis Smith, 1879:134, examined
wilmattæ [wilmattae] Cockerell, 1912:21, examined
alboniger Franklin, 1915:409, examined
folsomi (Frison, 1923:322 [Bremus]) examined

DISTRIBUTION: S Nearctic, N Neotropical Regions, W Neotropical border.