The joint worm (Isosoma tritici Fitch.)
By: by F. M. Webster
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Edition: Revision, September 21, 1908.
Series: Circular / United States Dept. of Agriculture, Bureau of Entomology -- no. 66; Circular (United States. Bureau of Entomology) -- no. 66.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1908
Place of publication: Washington, D.C
Language: eng
Subjects: Agricultural pests; Harmolita
Notes: Caption title.

Circular No. 66, Revised Edition.

"July 16, 1908."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: Description of the pest; title: Life history. pp. 2.; title: Effect on the straw. pp. 3.; title: Effects on the kernel; title: Natural enemies. pp. 4.; title: Preventive measures. pp. 5.