Three species of the genus Lygus and their relation to alfalfa seed production in southern Arizona and California
By: by Loyd L. Stitt.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 741; Technical bulletin (United States. Dept. of Agriculture) -- no. 741.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: Alfalfa -- Seeds -- Diseases and pests -- Arizona; Alfalfa -- Seeds -- Diseases and pests -- California; Lygus
Notes: Caption title.

"November 1940."

Literature cited: p. 19.