Western spruce budworm
By: Martha H. Brookes ... [et al.].
Contributors: Brookes, Martha H.; United States. Cooperative State Research Service.; Canada/United States Spruce Budworms Program.
Series: Technical bulletin / Forest Service -- no. 1694; Technical bulletin (United States.  Forest Service) -- no. 1694
Publisher: Dept. of Agriculture, Cooperative State Research Service
Published: 1987
Place of publication: [Washington]
Language: eng
Number of pages: 98
Subjects: Western spruce budworm -- West (U.S.); Western spruce budworm -- British Columbia
Notes: "Canada/United States Spruce Budworms Program-West."

Bibliography: p. 151-172.

Includes index.