Dale, J. W., and J. A. Schenk. 1979. Bionomics and natural control of the cone and seed insects of ponderosa pine in Idaho and adjacent Washington and Montana. University of Idaho, Forest, Wildlife and Range Experiment Station, Bulletin 29. 24 p.
Dale & Schenk 1979
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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