Western spruce budworm egg mass dimensions
Subtitle: an influence on population estimates
By: Richard I. Washburn and James E. Brickell.
Contributors: Brickell, James E.
Series: USDA Forest Service research paper INT -- 138.
Publisher: Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1973
Place of publication: Ogden, Utah
Language: eng
Number of pages: 20
Subjects: Western spruce budworm -- Eggs.; Insect populations.
Notes: Bibliography: p. 11-12.