Some effects of predaceous birds and ants on the western spruce budworm on conifer seedlings

Related Titles

Series: Research paper PNW, 315

By

Campbell, Robert W.
Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Canada/United States Spruce Budworms Program.

Type

Book

Material

Published material

Publication info

[Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1984

Notes

Cover title.

Distributed to depository libraries in microfiche.

"CANUSA, Canada United States Spruce Budworms Program."

"February 1984."

Subjects

Biological control , Conifers , Seeds , Western spruce budworm

Language

English

Identifiers

DOI: https://doi.org/10.5962/bhl.title.87988
GPO: 83-B (microfiche)
NAL: A99.9 F7625Uni no.315
OCLC: 11419296940127