Rearing the western spruce budworm
By: by Jacqueline L. Robertson ; prepared by Forest Service
Contributors: United States. Forest Service
Publisher: Dept. of Agriculture, Forest Service
Published: 1979
Place of publication: Washington
Language: eng
Number of pages: 18
Subjects: Spruce budworm -- United States
Notes: Canada United States spruce budworms program

Issued Oct. 1979

Bibliography: p. 18