Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Fox, J. W., D. L. Wood, and C. S. Koehler. 1990. Distributional and abundance of engraver beetles (Scolytidae: Ips species) on monterey pines infected with pitch canker. Canadian Entomologist 122:1157-1166.
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