Spruce budworms handbook
Subtitle: predators of the spruce budworm
Contributors: United States. Cooperative State Research Service; Canada/United States Spruce Budworms Program
Series: Agriculture handbook -- no. 644; Agriculture handbook (United States. Dept. of Agriculture) -- no. 644
Publisher: U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
Published: 1986
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 77
Subjects: Spruce budworm -- Control -- United States; Western spruce budworm -- Control -- United States; Predation (Biology)
Other titles: Predators of the spruce budworm
Notes: Cover title

"CANUSA, Canada United States Spruce Budworms Program"--T.p. verso

Shipping list no.: 86-316-P

"November 1985"--T.p. verso

Bibliography: p. 62-77