Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Langor, D. W., and J. R. Spense. 1991. Host effect on allozyme and morphological variation of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) . Canadian Entomologist 123:395-410.
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