The subgeneric division of the genus Bombus Latreille (Hymenoptera: Apidae)
Published in Bulletin of the British Museum (Natural History), Entomology, in 1968, in volume 22, pages 209-276
Date published:1968
Published in Bulletin of the British Museum (Natural History), Entomology, in 1968, in volume 22, pages 209-276
Date published:1968