E
Bee Species in Decline in North America
Bombus (Bombus) franklini (Frison)
Bombus (Bombus) occidentalis Greene
Bombus (Bombus) affinis Cresson
Bombus (Bombus) terricola Kirby
Bombus (Fervidobombus) sonorus Say
Bombus (Fervidobombus) pensylvanicus (DeGeer)
Epeoloides pilosula (Cresson)
SOURCE: Robbin Thorp, University of California, Davis.