The horn fly and its control
By: [by W.G. Bruce]
Series: Leaflet / United States. Dept. of Agriculture -- no. 205; Leaflet (United States. Dept. of Agriculture) -- no. 205.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Subjects: Horn fly; Control; Cattle; Diseases and pests; Insect traps; Oil as pesticide
Notes: Cover title.

"Issued December 1940"--P. 1.