Author: Tom T. TerrellPublisher:
ISBN:
Category : White pine weevil
Languages : en
Pages : 6
Book Description
Engelmann Spruce Beetle Activity in the Northern Rocky Mountain Region, 1957
Author: Tom T. TerrellPublisher:
ISBN:
Category : White pine weevil
Languages : en
Pages : 6
Book Description
Engelmann Spruce Beetle Activity in the Northern Rocky Mountain Region, 1957
Author: The Engelmann Spruce Beetle Infestation in the Northern Rocky Mountain Region, 1956
Author: Tom T. TerrellEngelmann Spruce Beetle Infestation in the Northern Rocky Mountain Region 1955
Author: Tom T. TerrellPublisher:
ISBN:
Category : White pine weevil
Languages : en
Pages : 6
Book Description
Mortality of Engelmann Spruce Bark Beetle Brood Winter of 1955-1956, Northern Rocky Mountain Region
Author: Tom T. TerrellPublisher:
ISBN:
Category : Engelmann spruce
Languages : en
Pages : 4
Book Description
Spruce Budworm Infestations, Northern Rocky Mountain Region, 1957
Author: David McCombPublisher:
ISBN:
Category : Spruce budworm
Languages : en
Pages : 18
Book Description
Spruce Beetle in the Rockies
Author: J. M. SchmidPublisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 44
Book Description
This report summarizes the literature on the spruce beetle in the western United States, primarily in the Rocky Mountains. Information is presented on life history and behavior, host relationships, mortality agents and impacts of infestations. A section on suppression details the current status of chemicals, pheromones, trap trees and silvicultural treatments. The initial steps in managing spruce beetle populations are stated in the final section on beetle management policy.
Temperatures, growth, and fall of needles of Engelmann spruce infested by spruce beetles
Author: J. M. SchmidPublisher:
ISBN:
Category : Engelmann spruce
Languages : en
Pages : 4
Book Description
Misc. Pub
Author: Intermountain Forest and Range Experiment Station (Ogden, Utah)Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 464
Book Description
Stand ratings for spruce beetles
Author: J. M. SchmidPublisher:
ISBN:
Category : Spruce bark beetles
Languages : en
Pages : 4
Book Description