Russian wheat aphid
By: K.J.R. Johnson, R. Drapek, and G.C. Fisher.
Contributors: Drapek, Raymond James.; Fisher, Glenn C.; Oregon State University. Extension Service.; Oregon. State Dept. of Agriculture.
Series: New pest alert; EC / Oregon State University Extension Service -- 1262.; Extension circular (Oregon State University. Extension Service) -- 1262.
Publisher: Oregon State University Extension Service, and Oregon Department of Agriculture
Published: 1987
Place of publication: Corvallis, Or
Language: eng
Subjects: Russian wheat aphid.; Wheat -- Diseases and pests.
Notes: Title from cover.

"August 1987"--Cover.