The biologies of two dipterous predators of Dendroctonus pseudotsugae Hopkins (Coleoptera : Scolytdae) in western Oregon and Washington
By: by Richard Lee Johnsey.
Published: 1964
Language: eng
Number of pages: 80
Subjects: Douglas fir beetle.
Notes: Typescript.

Mounted photographs.

Thesis (M.S.)--Oregon State University, 1964.

Bibliography: leaves 76-80.