Spruce budworms handbook
Subtitle: regional evaluation of B.t. for spruce budworm control
Contributors: United States. Cooperative State Research Service; Canada/United States Spruce Budworms Program
Series: Agriculture information bulletin -- no. 458
Publisher: U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
Published: 1983
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Spruce budworm -- Biological control -- United States.
Other titles: Regional evaluation of B.t. for spruce budworm control
Notes: "CANUSA, Canada United States Spruce Budworms Program"--P. ii

"November 1983"--P. ii

Includes bibliographical reference