Predators of the Douglas-fir beetle in western Oregon
By: [B.D. Cowan and W.P. Nagel].
Contributors: Nagel, William P. 1929-
Series: Technical bulletin -- 86.; Technical bulletin (Oregon State University. Agricultural Experiment Station) -- 86.
Publisher: Agricultural Experiment Station, Oregon State University
Published: 1965
Place of publication: Corvallis, Or
Language: eng
Number of pages: 32
Subjects: Cleridae -- Oregon.; Douglas fir beetle -- Predators of -- Oregon.; Predatory insects -- Oregon.; Douglas fir beetle -- Parasites -- Oregon.
Notes: Cover title.

"October 1965."

Includes bibliographical references (p. 31-32).