Natural mortality of the western spruce budworm, Choristoneura occidentalis, in Colorado
By: by M.E. McKnight.
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research paper RM -- 81.; Research paper RM -- 81.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Fort Collins, Colo
Language: eng
Number of pages: 12
Subjects: Western spruce budworm -- Colorado -- Mortality
Notes: "December 1971."

Includes bibliographical references (p. 12).