Cleptoparasitic Bees of the Genus Epeolus Latreille (Hymenoptera: Apidae) in Canada
Bees of the Genus Dufourea Lepeletier (Hymenoptera: Halictidae: Rophitinae) of Canada*
Leafcutter and Mason Bees of the Genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska1
The Bee Genera of Eastern Canada
