Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Liu, Y. B., and J. A. McLean. 1989. Field evaluation of responses of Gnathotrichus sulcatus and Gnathotrichus retusus (Coleoptera: Scolytidae) to semiochemicals . Journal of Economic Entomology 82:1687-1690.