Effectiveness of polyethtylene sheeting in controlling spruce beetles (Coleoptera: Scolytidae) in infested stacks of spruce firewood in Alaska
By: Edward H. Holsten and Richard A. Werner
Contributors: Werner, Richard A. 1936-; Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- RP-466; Research paper PNW -- 466
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1993
Place of publication: Portland, OR (333 S.W. First Avenue, P.O. Box 3890, Portland 97208)
Language: eng
Format: Microform
Subjects: Spruce bark beetles -- United States; Spruce bark beetles -- Alaska; Trees -- Diseases and pests -- United States; Trees -- Diseases and pests -- Alaska
Notes: Cover title

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"June 1993."

Includes bibliographical references (p. 5-6)

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1993] 1 microfiche : negative