The aphides affecting the apple
By: A. L. Quaintance
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Bureau of Entomology -- no. 81; Circular (United States. Bureau of Entomology) -- no. 81.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1907
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: Agricultural pests; Apple aphid; Apples; Diseases and pests
Notes: Caption title.

Circular No. 81.

"Issued March 9, 1907."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: Introduction. pp. 1.; title: Aphides in general. pp. 2.; title: The European grain aphis. pp. 3.; title: The apple aphid. pp. 5.; title: The rosy apple aphis. pp. 7.; title: Methods of control. pp. 9.