McCambridge, W. F. 1969. Incidence of sperm in emerging female mountain pine beetles, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae). United States Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Research Note RM-137. 3 p.
McCambridge 1969
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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