Cover Image

Recent (1977-1980) releases of imported larch casebearer parasites for biological control /

Bibliographic Details
Main Author: Ryan, Roger B.
Corporate Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Format: Government Document Book
Language:English
Published: [Portland, Or.?] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1981?]
Series:Research note PNW ; 377.
Subjects:
Larch casebearer > Biological control.
Description
Item Description:Caption title.
Physical Description:6 pages ; 28 cm.
Bibliography:Bibliography: pages 5-6.