Cooley spruce gall aphid.
Edition: [Rev.]
Series: Insect answers; EB -- 0966.; Extension bulletin (Washington State University. Cooperative Extension) -- 966.
Publisher: Cooperative Extension, Washington State University, College of Agriculture and Home Economics
Published: 1991
Place of publication: Pullman, Wash
Language: eng
Notes: Caption title.

"Arthur L. Antonelli and R. Lee Campbell"--P. [2].

"January 1991"--P. [2]