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  1. By: Marsden, Michael A. - Ciesla, William M. - Twardus, Daniel B. - United States. Forest Pest Management. Methods Application Group.
    Publication info: Fort Collins, Colo, U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group, [1984]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aerial spraying and dusting in agriculture  Bacillus thuringiensis  Control  Forest insects  Western spruce budworm  
  2. By: Carlson, Clinton E. - Schmidt, Wyman C., - Intermountain Research Station (Ogden, Utah)
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1989
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Conifers  Diseases and pests  Environmental aspects  Forest regeneration  Forest thinning  Growth  Montana  Plant competition  Western spruce budworm  
  3. By: Stevens, Robert E., - Carolin, V. M. (Valentine Mott), - Markin, George P.
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service, 1984
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Caterpillars  Western spruce budworm  
  4. By: McKnight, Melvin E. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Choristoneura  Jack pine budworm  Spruce budworm  Western spruce budworm
  5. By: McKnight, Melvin E. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Mortality  Western spruce budworm
  6. By: Martignoni, Mauro E., - Iwai, Paul J. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - Canada/United States Spruce Budworms Program.
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1981
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Biological assay  Insects  Larvae  Virus diseases  Western spruce budworm
  7. By: Carlson, Clinton E. - Intermountain Research Station (Ogden, Utah)
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1985
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases and pests  Douglas fir  Ponderosa pine  Rocky Mountains region  Western spruce budworm  
  8. By: Campbell, Robert W. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - Canada/United States Spruce Budworms Program.
    Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1984
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Biological control  Conifers  Seeds  Western spruce budworm
  9. By: Crookston, Nicholas L. - Intermountain Research Station (Ogden, Utah)
    Publication info: Qgden, UT, U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, [1990]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Computer programs  Diseases and pests  Trees  Western spruce budworm