Balsam woolly adelgid
Subtitle: a pest of true fir species.
Edition: Rev. Feb. 1992.
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: 1992
Place of publication: Pullman, [Wash.]
Language: eng
Subjects: Balsam woolly adelgid; Fir -- Diseases and pests
Notes: Caption title.

"By Arthur L. Antonelli ... Published August 1987, Revised February 1992"--P. [4].

Online version also available.  Address: http://cru.cahe.wsu.edu/CEPublications/eb1456/eb1456Abstract.htm.