Pine bark beetles
By: [Tonie Jean Fitzgerald, Eugene Kupferman, and Vanelle Peterson].
Contributors: Kupferman, Eugene.; Peterson, Vanelle.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Series: Insect answers; Extension bulletin -- 0936.; Extension bulletin (Washington State University. Cooperative Extension) -- 936.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1981
Place of publication: Pullman, Wash
Language: eng
Subjects: Pine -- Diseases and pests -- Washington (State); Bark beetles -- Control
Notes: Caption title.

"August 1981"--P. [1].