Biology and control of the corn leaf aphid with special reference to the southwestern states
By: by V.L. Wildermuth and E.V. Walter.
Contributors: Walter, E. V. 1891-; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 306; Technical bulletin (United States. Dept. of Agriculture) -- no. 306.
Publisher: U.S. Dept. of Agriculture
Published: 1932
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Corn -- Diseases and pests -- Southwestern States.
Notes: Caption title.

Literature cited: p. 20-21.