Spotted alfalfa aphid
By: [by Daniel F. Mayer and William P. Ford].
Contributors: Ford, William P.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Series: Insect answers; EB -- 1530; Extension bulletin (Washington State University. Cooperative Extension) -- 1530.
Publisher: Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Published: 1989
Place of publication: Pullman
Language: eng
Subjects: Spotted alfalfa aphid -- Washington (State); Alfalfa -- Diseases and pests -- Washington (State); Spotted alfalfa aphid -- Control -- Washington (State); Alfalfa -- Diseases and pests -- Control -- Washington (State)
Notes: Title from caption.

"Published August 1989"--P. [2].

"Issued by Washington State Cooperative Extension ... and the U.S. Department of Agriculture ..."--P. [2].