Day-to-day survival of late-instar western spruce budworm larvae and pupae
By: Robert W. Campbell and Nilima Srivastava.
Contributors: Srivastava, Nilima.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note PNW -- 408.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1984
Place of publication: Portland, Or
Language: eng
Subjects: Western spruce budworm.; Insects -- Larvae.; Pupae.
Notes: Caption title.

Distributed to depository libraries in microfiche.

"January 1984."

Bibliography: p. 5.