Aphids in apples
By: [by Lorna Youngs, Vanelle Peterson, and Arthur H. Retan]
Edition: [Rev.]
Series: Insect answers; Extension bulletin -- 1075.; Extension bulletin (Washington State University. Cooperative Extension) -- 1075.
Publisher: Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Published: 1989
Place of publication: [Pullman]
Language: eng
Notes: Caption title.