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

Bibliography: p. 18.