Biology and control of the Douglas-fir beetle dendroctonus pseudotsugae Hopkins (Coleoptera -Scolytidae) with notes on associated insects.
Published: 1937
Language: eng
Number of pages: 73
Subjects: Douglas fir beetle.; Douglas fir -- Diseases and pests.
Notes: Abstracted in Washington (State) State College. Pullman. Research studies, v. 5, no. 2, p. [103]-105.

Thesis (Ph. D. in Entomology)--State College of Washington, 1937.

"Reference": leaves 72-73.