The black grain stem sawfly and the European wheat stem sawfly in the United States
By: by E.J. Udine
Series: Circular / United States Department of Agriculture -- no. 607; Circular (United States. Dept. of Agriculture) -- no. 607.
Publisher: U.S. Dept. of Agriculture
Published: 1941
Place of publication: Washington, D.C
Language: eng
Subjects: Wheat; Diseases and pests; European wheat-stem sawfly; Black grain-stem sawfly
Notes: Caption title.

Includes bibliographical references.