The western grass-stem sawfly
Subtitle: a pest of small grains
By: by C.N. Ainslie
Series: Technical bulletin / United States Department of Agriculture -- no. 157; Technical bulletin (United States. Department of Agriculture) -- no. 157
Publisher: U.S. Dept. of Agriculture
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Sawflies; Grasses; Diseases and pests
Notes: Caption title.