Douglas-fir tussock moth handbook : predation and parasitization of Douglas-fir tussock moth egg masses /

Bibliographic Details
Main Author:	Torgersen, Torolf R.
Corporate Author:	United States. Department of Agriculture
Other Authors:	Mason, Richard R.
Format:	Government Document Book
Language:	English
Series:	Agriculture handbook (United States. Department of Agriculture) ; no. 549.
Subjects:	Douglas fir tussock moth > Control > United States.

Description
Item Description:	Combined forest pest research and development program. Issued Oct. 1979.
Physical Description:	11 pages : illustrations ; 24 cm.
Bibliography:	Bibliography: page 11.