Spruce aphid
By: [by Roy Davison and Arthur L. Antonelli]
Contributors: Antonelli, Arthur L.
Series: Insect answers; Extension bulletin -- 1053.; Extension bulletin (Washington State University. Cooperative Extension) -- 1053.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1985
Place of publication: Pullman
Language: eng
Subjects: Aphids; Spruce -- Diseases and pests
Notes: Caption title.

"Revised September 1985."