Werner, R. A., E. H. Holsten, and F. L. Hastings. 1986. Evaluation of pine oil for protecting white spruce from spruce beetle (Coleoptera: Scolytidae) attack . Entomological Society of British Columbia, Journal 83:3-5.
Werner et al. 1986
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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