Larvae of the North American genera of Diprionidae (Hymenoptera: Symphyta) 1986. Wong, H.R.; Szlabey, D.L. The Canadian Entomologist 118: 577-587.
Identification of three species of Proteoteras (Lepidoptra: Tortricidae) attacking shoots of Manitoba maple in the Canadian prairies. 1983. Wong, H.R.; Drouin, J.A.; Szlabey, D.L.; Dang, P.T. The Canadian Entomologist 115(4): 333-339.