Humphreys, N., and E. Allen. 1999b. Eight-spined spruce bark beetle — Ips typographus. Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre (Victoria, B.C.), Exotic Forest Pest Advisory 3. 4 pp. [French: Typographe européen de l'épinette....].
Humphreys & Allen 1999
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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