A method for sampling western spruce budworm pupae /

Bibliographic Details

Corporate Author:	Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Other Authors:	Srivastava, Nilima
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 ; 372.
Subjects:	Western spruce budworm.