The principal Larrea bees of the southwestern United States (Hymenoptera, Apoidea) - Hurd, Paul David, 1921-.; Linsley, E. Gorton (Washington : Smithsonian Institution Press, 1975)
Bibliography: p. 70-74.
Keywords: Bees -- Southwest, New; Insect -- plant relationships -- Southwest, New; Creosote bush; Insects -- Southwest, New