Balsam woolly adelgid
Subtitle: a pest of true fir species.
Contributors: Washington State University. Cooperative Extension.
Series: Insect answers; Extension bulletin -- 1456.; Extension bulletin (Washington State University. Cooperative Extension) -- 1456.
Publisher: Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Published: 1987
Place of publication: Pullman
Language: eng
Subjects: Balsam woolly adelgid; Fir -- Diseases and pests
Notes: Caption title.

"Published August 1987"--P. [4].