Insects of Iowa
Apidae Apidae
Bumble Bees
                                                                          
Bombus cirtrinus Bombus fervidus Bombus auricomus
     
Bombus bimaculatus Bombus fraternus Bombus griseocollis
     
Bombus impatiens Bombus pennsylvanicus Bombus rufocintus
     
Bombus vagans Bombus variabilis