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Planning Now to Reduce, Postpone or Prevent the Next Spruce Budworm Outbreak

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Introduces new entomological concepts, and asks as well as suggests how they may be used to develop an international strategy to reduce, postpone or perhaps even prevent future outbreaks from occurring through at least part of the range of the spruce budworm in North America

Key Findings: Ten general characteristics of spruce budworm infestation in Ontario are presented

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Sex-Biased Predation by Web-Spinning Spiders (Araneae) on Spruce Budworm Moths

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Describe predation by several species of web-spinning spiders on moths of C. fumiferana in Maine, compare differential mortality between moth sexes, and discuss possible factors that contribute to sex-biased predation on male moths

Key Findings: Predation by spiders gains increased importance as a source of moth mortality.

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Impact of the Spruce Budworm on Spruce-Fir Stands in the Sault Ste. Marie and St. Ignace Districs of the Hiawatha National Forest 1978-1981

Problem Addressed: Spruce budworm in Michigan

Goal(s)/Objective(s): Documents the budworm impact on the eastern unit of the Hiawatha National Forest, the Sault Ste. Marie and St. Ignace Districts of the Ottawa National Forest for 1978, 1979, 1980, and 1981.

Key Findings: Statistics presented provide an estimate of spruce budworm impact on spruce-fir stands in the Sault Ste. Marie and St. Ignace Districts from 1978-1981.

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Brook Trout Studies in the Icewater Creek Watershed

Problem Addressed: Insecticides effecting the environment

Goal(s)/Objective(s): Examine in-depth a number of aquatic and terrestrial habitats and micro-habitats and their resident animal populations to determine the nature and degree of inherent risk, the level of actual exposure, and the actual response to forest pest management strategies involving aerial applications of pest control agents.

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Brook Trout Population Study on Zectran Sprayed Area 1967

Problem Addressed: Spruce budworm control

Goal(s)/Objective(s): Determine effectiveness of Zectran for control of the spruce budworm, and effects on trout populations.

Key Findings: The application of Zectran at 0.15 pounds per acre appears to have had no immediate adverse affects on the trout populations in the sample sections.

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Budworm Fighters Seek New Weapons

Problem Addressed: Spruce budworm and environmental issues from insecticides

Goal(s)/Objective(s): Explain New Brunswick's fight against spruce budworm issues.

Downloads: 1

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Budworm Surveys – Maine 1970’s.

Problem Addressed: Spruce budworm in Maine

Goal(s)/Objective(s): Outline Maine's standings with spruce budworm in the 1970's.

Downloads: 3

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Canadian Forestry Service Pith to Periderm

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Present the facts in as palatable a form as possible to help clear up any of the misconceptions that are appearing as budworm "experts" proliferate at a rate approaching that of the budworm itself.

Downloads: 1

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Budworm-Caused Mortality and 20-Year Recovery in Immature Balsam Fir Stands

Problem Addressed: Spruce budworm-caused tree mortality and stand recovery

Goal(s)/Objective(s): Examine extent of budworm-caused tree mortality and stand recovery over a 20-year period following a spruce budworm outbreak.

Key Findings: There was no clear relationship between volume loss and stand characteristics, but mortality did tend to have a strongly contagious distribution in the stand.

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Executive Summary for CFRU Research Bulletin 3 Impact of the Spruce Budworm in the Maine Spruce-Fir Region: 1975-1979

Problem Addressed: Spruce budworm in Maine

Goal(s)/Objective(s): To document the growth and mortality effects of the spruce budworm in Maine's spruce-fir region

Key Findings: Summarized results of the 400+ plot survey of the impact of the spruce budworm in Maine from 1975 to 1979.

Downloads: 4

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