Title
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:
11419296
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