The western grass-stem sawfly
Subtitle: (Cephus occidentalis Riley and Marlatt)
By: F. M. Webster and Geo. I. Reeves
Contributors: Reeves, Geo. I. (George I.), b. 1879; United States. Bureau of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Bureau of Entomology -- no. 117; Circular (United States. Bureau of Entomology) -- no.117.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1910
Place of publication: Washington, D.C
Language: eng
Number of pages: 597
Subjects: Western grass-stem sawfly
Notes: Caption title.

Circular No. 117.

"Issued February 25, 1910."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: Introduction. pp. 1.; title: History and distribution. pp. 2.; title: Habits and seasonal history. pp. 3.; title: Food plants; title: Description. pp. 4.; title: Natural checks; title: Preventive measures. pp. 6.