Identification of parasites of the Douglas-fir tussock moth, based on adults, cocoons, and puparia
By: Torolf R. Torgersen.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service.
Series: Research paper PNW -- 215.; Research paper PNW -- 215.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1977
Place of publication: Portland, Or
Language: eng
Number of pages: 28
Subjects: Douglas-fir tussock moth; Parasites -- West (U.S.) -- Identification; Parasitic insects -- West (U.S.) -- Identification
Notes: Cover title.

Published in cooperation with USDA Douglas-fir tussock moth program.

Bibliography: p. 28.