Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Furuta, K., K. Iguchi, and S. Lawson. 1996. Seasonal difference in the abundance of the spruce beetle (Ips typographus japonicus Niijima) (Col, Scolytidae) within and outside forest in a bivoltine area . Journal of Applied Entomology 120:125-129.