Spruce aphid
By: [by Arthur L. Antonelli]
Edition: [Rev.]
Series: Insect answers; Extension bulletin -- 1053.; Extension bulletin (Washington State University. Cooperative Extension) -- 1053.
Publisher: Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Published: 1989
Place of publication: Pullman
Language: eng
Subjects: Aphids; Spruce -- Diseases and pests
Notes: Caption title.

"May 1989."