Yoshida, N., Y. Akita, C. Koizumi, and K. Fukuyama. 1986. Field test of pheromone trap for Ips typographus in the windthrown forest caused by a typhoon . Annual Report, Hokkaido Branch, Forestry and Forest Products Research Institute (Sapporo) 1985:54-55.
Yoshida et al. 1986
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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