Douglas-fir tussock moth handbook
Subtitle: predation and parasitization of Douglas-fir tussock moth egg masses
By: by Torolf R. Torgersen and Richard R. Mason.
Contributors: Mason, Richard R.; United States. Dept. of Agriculture.
Series: Agriculture handbook ; no. 549; Agriculture handbook (United States. Dept. of Agriculture) -- no. 549.
Publisher: Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1979
Place of publication: [Washington]
Language: eng
Number of pages: 11
Subjects: Douglas-fir tussock moth -- Control -- United States.
Other titles: Predation and parasitization of Douglas-fir tussock moth egg masses.
Notes: Combined forest pest research and development program.

Issued Oct. 1979.

Bibliography: p. 11.