Cover Image

Population dynamics of the major North American needle-eating budworms /

Bibliographic Details
Main Author: Campbell, Robert W.
Corporate Author: Pacific Northwest Research Station (Portland, Or.)
Format: Government Document Microform Book
Language:English
Published: Portland, Or. (P.O. Box 3890, Portland 97208-3890) : USDA Forest Service, Pacific Northwest Research Station, 1993.
Series:Research paper PNW ; 463.
Subjects:
Western spruce budworm > North America.
Spruce budworm > North America.
Jack pine budworm > North America.
Insect populations > North America.
Description
Item Description:Distributed to depository libraries in microfiche.
Shipping list number: 93-1072-M.
Microform.
Physical Description:222 pages : illustrations, maps ; 28 cm.
Bibliography:Includes bibliographical references (pages 175-207) and indexes.