Spruce budworn parasites in Maine : a reference manual for collection and identification of common species.
Contributors: United States. Cooperative State Research Service.
Series: Spruce budworms handbook; Agriculture handbook -- no. 616.; Agriculture handbook (United States. Dept. of Agriculture) -- no. 616.
Publisher: U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
Published: 1984
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 35
Subjects: Spruce budworm -- Handbooks, manuals, etc.; Spruce budworm -- Parasites -- Identification.
Notes: "CANUSA, Canada United States Spruce Budworms Programs"-T.p. verso.

"November 1984"--T.p. verso.

Bibliography: p. 28-29.