Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Poland, T., and J. Borden. 1994b. Semiochemical-based communication in interspecific interactions between Ips pini (Say) and Pityogenes knechteli (Swaine) (Coleoptera: Scolytidae) in lodgepole pine . The Canadian Entomologist 126:269-276.