A pilot project evaluating trichlorfon and acephate for managing the western spruce budworm, Choristoneura occidentalis Freeman, Helena National Forest, Montana, 1976
By: by Thomas H. Flavell, Scott Tunnock, and Hubert E. Meyer.
Contributors: Tunnock, Scott.; Meyer, Hubert E.; United States. Forest Service. Northern Region. State & Private Forestry.
Series: Forest insect & disease management; U.S. Forest Service. Northern Region. Division of State and Private Forestry. Report -- no. 77-16.; Report (United States. Forest Service. Northern Region) -- no. 77-16.
Publisher: USDA, Forest Service, Northern Region, State and Private Forestry
Published: 1977
Place of publication: [Missoula, Mont.]
Language: eng
Number of pages: 49
Subjects: Western spruce budworm -- Control -- Montana -- Helena National Forest.; Insecticides -- Montana -- Helena National Forest.
Notes: Issued Nov. 1977.

Bibliography: p. 32.

Also issued online.