Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Billings, R., Forrest, and R. I. Gara. 1975. Rhythmic emergence of Dendroctonus ponderosae (Coleoptera: Scolytidae) from two host species . Entomological Society of America, Annals 68:1033-1036.
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