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Instar discrimination of field-collected larvae through analysis of frequency distribution curves of head capsule widths using the program PeakFit [microform] / Fred H. Schmidt (Research paper PNW ; RP-492)

Instar discrimination of field-collected larvae through analysis of frequency distribution curves of head capsule widths using the program PeakFit [microform] / Fred H. Schmidt (Research paper PNW ; RP-492)
Microform図書
1996<YCA-A 13.78:PNW-RP-492>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Larvae Western spruce budworm -- Development......matical models Western spruce budworm -- Parasites -- Mathematical ...

Defoliation by western spruce budworm in Oregon and Washington from 1980 through 1994 [microform] / Katharine A. Sheehan (Technical publication ; R6-NR-TP-04-96)

Defoliation by western spruce budworm in Oregon and Washington from 1980 through 1994 [microform] / Katharine A. Sheehan (Technical publication ; R6-NR-TP-04-96)
Microform図書
1996<YCA-A 13.40/12:R 6-NR-TP-04-96>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Oregon Western spruce budworm -- Washington (State) Forest ...

A pilot experiment of forest fertilization during an outbreak of the western spruce budworm in northeastern Oregon [microform] / R.R. Mason ... [et al.] (Research paper ; PNW-RP-506)

A pilot experiment of forest fertilization during an outbreak of the western spruce budworm in northeastern Oregon [microform] / R.R. Mason ... [et al.] (Research paper ; PNW-RP-506)
Microform図書
1998<YCA-A 13.78:PNW-RP-506>
National Diet Library
  • Subject HeadingForest soils -- Fertilization -- Oregon Western spruce budworm -- Oregon

Historical patterns of spruce budworm defoliation and bark beetle outbreaks in North American conifer forests [microform] : an atlas and description of digital maps / David W. Williams, Richard A. Birdsey (General technical report NE ; 308)

Historical patterns of spruce budworm defoliation and bark beetle outbreaks in North American conifer forests [microform] : an atlas and description of digital maps / David W. Williams, Richard A. Birdsey (General technical report NE ; 308)
Microform図書
2003<YCA-A 13.88:NE-308>
National Diet Library
  • Subject Heading...Canada -- Maps Western spruce budworm -- United States -- Maps Western spruce budworm -- Canada -- Maps Southern pi...

Silvicultural strategies to reduce stand and forest susceptibility to the western spruce budworm (Spruce budworms handbook) (Agriculture handbook ; no. 676)

Silvicultural strategies to reduce stand and forest susceptibility to the western spruce budworm (Spruce budworms handbook) (Agriculture handbook ; no. 676)
Microform図書
1989<YCA-A 1.76:676>
National Diet Library
  • Subject HeadingWestern spruce budworm -- United Stat......, manuals, etc Western spruce budworm -- Canada -- Handbooks, manua...

The Western spruce budworm model : structure and content / Katharine A. Sheehan ... [et al.] (General technical report PNW ; GTR-241)

The Western spruce budworm model : structure and content / Katharine A. Sheehan ... [et al.] (General technical report PNW ; GTR-241)
Microform図書
1989<YCA-A 13.88:PNW-GTR-241>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Diseases and pests

Development of western spruce budworm on Douglas-fir callus tissue / Roy C. Beckwith and Barry Goldfarb (Research note PNW ; RN-504)

Development of western spruce budworm on Douglas-fir callus tissue / Roy C. Beckwith and Barry Goldfarb (Research note PNW ; RN-504)
Microform図書
1991<YCA-A 13.79:PNW-RN-504>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Northwestern States Dougla...

Spruce budworms handbook : how to distinguish between old and new egg masses of the western spruce budworm (Agriculture handbook ; no. 623)

Spruce budworms handbook : how to distinguish between old and new egg masses of the western spruce budworm (Agriculture handbook ; no. 623)
Microform図書
1984<YCA-A 1.76:623>
National Diet Library
  • Subject HeadingWestern spruce budworm
  • Alternative TitleHow to distinguish between old and new egg masses of the western spruce budworm
  • Alternative TitleHow to distinguish between old and new egg masses of the western spruce budworm

Population dynamics of the major North American needle-eating budworms [microform] / Robert W. Campbell (Research paper PNW ; RP-463)

Population dynamics of the major North American needle-eating budworms [microform] / Robert W. Campbell (Research paper PNW ; RP-463)
Microform図書
1993<YCA-A 13.78:PNW-RP-463>
National Diet Library
  • Subject HeadingWestern spruce budworm -- North America Spruce budwo...

Dispersal of second-instar Western Spruce Budworm above and below forest canopies in western Montana microform / C.E. Carlson, G.J. McCarthy (Research paper INT ; 388)

Dispersal of second-instar Western Spruce Budworm above and below forest canopies in western Montana microform / C.E. Carlson, G.J. McCarthy (Research paper INT ; 388)
Microform図書
1989<YCA-A 13.79:INT-388>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Montana -- Dispersal Plant...
  • Alternative TitleDispersal of second instar Western Spruce Budworm above and below forest canopi...
  • Alternative TitleDispersal of second instar Western Spruce Budworm above and below forest canopi...

Susceptibility of stands to defoliation by western spruce budworm on the Payette National Forest, Idaho (Report ; no. 86-8)

Susceptibility of stands to defoliation by western spruce budworm on the Payette National Forest, Idaho (Report ; no. 86-8)
Microform図書
1986<YCA-A 13.52/10-3:86-8>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Idaho Defoliation -- Idaho

User's guide to the weather model : a component of the western spruce budworm modeling system / William P. Kemp, Nicholas L. Crookston, and Paul W. Thomas (General technical report PNW ; GTR-235)

User's guide to the weather model : a component of the western spruce budworm modeling system / William P. Kemp, Nicholas L. Crookston, and Paul W. Thomas (General technical report PNW ; GTR-235)
Microform図書
1989<YCA-A 13.88:PNW-GTR-235>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Northwestern States Forest...

Budworm activity in Oregon and Washington, 1947-1979 / R. E. Dolph, Jr.

Budworm activity in Oregon and Washington, 1947-1979 / R. E. Dolph, Jr.
Paper図書
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region1980.<RB361-10>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Oregon. Western spruce budworm -- Washington.

Historical patterns of western spruce budworm and Douglas-fir tussock moth outbreaks in the northern Blue Mountains, Oregon, since A.D. 1700 [microform] / Thomas W. Swetnam ... [et al.] (Research paper PNW ; RP-484)

Historical patterns of western spruce budworm and Douglas-fir tussock moth outbreaks in the northern Blue Mountains, Oregon, since A.D. 1700 [microform] / Thomas W. Swetnam ... [et al.] (Research paper PNW ; RP-484)
Microform図書
1995<YCA-A 13.78:PNW-RP-484>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Blue Mountains (Or. and Wa...

Spruce budworms handbook : ground-spray techniques to reduce damage from western spruce budworm (Agriculture handbook ; no. 624)

Spruce budworms handbook : ground-spray techniques to reduce damage from western spruce budworm (Agriculture handbook ; no. 624)
Microform図書
1984<YCA-A 1.76:624>
National Diet Library
  • Subject HeadingSpraying and dusting in agriculture Western spruce budworm
  • Alternative TitleGround-spray techniques to reduce damage from western spruce budworm
  • Alternative TitleGround-spray techniques to reduce damage from western spruce budworm

Effect of western spruce budworm on douglas-fir cone production in western Montana / Allen B. Chrisman, George M. Blake, Raymond C. Shearer (Research paper INT ; 308)

Effect of western spruce budworm on douglas-fir cone production in western Montana / Allen B. Chrisman, George M. Blake, Raymond C. Shearer (Research paper INT ; 308)
Microform図書
1983<YCA-A 13.78:INT-308>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Montana Douglas fir

Deploying pheromone-baited traps for the western spruce budworm and defoliating insects / David G. Fellin and Paul W. Hengel (Research note INT ; 330)

Deploying pheromone-baited traps for the western spruce budworm and defoliating insects / David G. Fellin and Paul W. Hengel (Research note INT ; 330)
Microform図書
1983<YCA-A 13.79:INT-330>
National Diet Library
  • Subject HeadingInsect traps Pheromones Insect baits and repellents Western spruce budworm

Western spruce budworm in the Pike and San Isabel and Arapaho and Roosevelt National Forests in 1981 / prepared by James P. Linnane (Biological evaluation ; R 2-81-7)

Western spruce budworm in the Pike and San Isabel and Arapaho and Roosevelt National Forests in 1981 / prepared by James P. Linnane (Biological evaluation ; R 2-81-7)
Microform図書
1981<YCA-A 13.97:87-7/x>
National Diet Library
  • Subject HeadingWestern spruce budworm -- Colorado

Spruce budworms handbook : Lepidoptera associated with western spruce budworm (Agriculture handbook ; no. 622)

Spruce budworms handbook : Lepidoptera associated with western spruce budworm (Agriculture handbook ; no. 622)
Microform図書
1984<YCA-A 1.76:622>
National Diet Library
  • Subject HeadingWestern spruce budworm -- United States Lepidoptera ...
  • Alternative TitleLepidoptera associated with western spruce budworm
  • Alternative TitleLepidoptera associated with western spruce budworm

Spruce budworms handbook : predators of the spruce budworm (Agriculture handbook ; no. 644)

Spruce budworms handbook : predators of the spruce budworm (Agriculture handbook ; no. 644)
Microform図書
1986<YCA-A 1.76:644>
National Diet Library
  • Subject Heading... United States Western spruce budworm -- Control -- United States P...
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