biologies of predators (Coleoptera: Cleridae) of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins (Coleoptera : Scolytidae), in western Oregon
By: by Bruce Dudley Cowan.
Published: 1965
Language: eng
Number of pages: 97
Subjects: Douglas fir beetle.; Forest insects -- Parasites.
Notes: Typescript.

Thesis (M.S.)--Oregon State University, 1965.

Bibliography: leaves 93-97.