Ecology of the squash and gourd bee, Peponapis pruinosa, on cultivated cucurbits in California (Hymenoptera: Apoidea) /
Hurd, Paul David, 1921-
Ecology of the squash and gourd bee, Peponapis pruinosa, on cultivated cucurbits in California (Hymenoptera: Apoidea) / Paul D. Hurd, Jr., E. Gorton Linsley, and A.E. Michelbacher. - Washington : Smithsonian Institution Press, 1974. - III, 17 p. : ill. ; 26 cm. - Smithsonian contributions to zoology ; 168 .
Ecology of the squash and gourd bee, Peponapis pruinosa, on cultivated cucurbits in California (Hymenoptera: Apoidea) / Paul D. Hurd, Jr., E. Gorton Linsley, and A.E. Michelbacher. - Washington : Smithsonian Institution Press, 1974. - III, 17 p. : ill. ; 26 cm. - Smithsonian contributions to zoology ; 168 .