@book{38587,
	author = {Mitchell, Theodore B.},
	title = {A generic revision of the Megachilene bees of the Western hemisphere (Hymeoptera: Megachilidae)},
	publisher = {Nort Carolina State University,},
	year = {1980},
	series = {Contribución from the Department of Entomology},
	address = {Raleigh, N.C. :}
}