A monograph of the western hemisphere bumblebees (Hymenoptera: Apidae; Bombinae)
By: [by] H. E. Milliron.
Series: Memoirs of the Entomological Society of Canada, no. 82; no. 91; Memoirs of the Entomological Society of Canada ;; no. 82, etc.
Publisher: Entomological Society of Canada
Published: 1971
Place of publication: Ottawa
Language: eng
Number of pages: 80
Subjects: Bombus.; Megabombus.; Bumblebees.
Table of contents: value: 1. The genera Bombus and Megabombus, subgenus Bombias.; value: 3. The genus Pyrobombus, subgenus cullumanobombus.