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

Bibliographic Details
Corporate Authors:	Pacific Northwest Forest and Range Experiment Station (Portland, Or.), Canada/United States Spruce Budworms Program
Other Authors:	Campbell, Robert W.
Format:	Government Document Book
Language:	English
Published:	Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1984]
Series:	Research paper PNW ; 315.
Subjects:	Predatory animals > Control. Bird pests > Control. Ants > Control. Western spruce budworm. Conifers > Seeds.

Evans: US Documents (Annex 5th floor)