Roettgering, B. H. 1973. Field evaluation of synthetic attractants for suppression and survey of the western pine beetle, McCloud Flats, Shasta-Trinity National Forest. United States Department of Agriculture, Forest Service, Branch of Forest Pest Control, Progress Report No. 2 [unpublished, on file at San Francisco].
Roettgering 1973
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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