Pilot control project of carbaryl, trichlorfon, and Bacillus thuringiensis against western spruce budworm, Beaverhead and Gallatin National Forests, Montana, 1975

Day-to-day survival of late-instar western spruce budworm larvae and pupae

Robert W. Campbell

Population dynamics of the major North American needle-eating budworms

Robert W. Campbell

The western spruce budworm dynamics model

Nicholas L. Crookston

A pilot experiment of forest fertilization during an outbreak of the western spruce budworm in northeastern Oregon

Richard R. Mason

Cooperative western spruce budworm

United States. Forest Service. Pacific Northwest Region.

Dispersal of second-instar Western Spruce Budworm above and below forest canopies in western Montana

Clinton E Carlson

Deploying pheromone-baited traps for the western spruce budworm and defoliating insects

David G Fellin

Dispersal of second-instar Western Spruce Budworm above and below forest canopies in western Montana

Clinton E. Carlson

Reldan insecticide field-tested on western spruce budworm, Payette National Forest, Idaho, 1977

George P. Markin

Ground-spray techniques to reduce damage from western spruce budworm

Lawrence E. Stipe