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Condition of the Fir-Spruce Forests on Cape Breton Island Five Years After the Onset of the Current Spruce Budworm Outbreak

Problem Addressed: Spruce Budworm

Goal(s)/Objective(s): Determine the condition of fir-spruce stands as a result of the current spruce budworm outbreak.

Key Findings: Over 25% of balsam fir is dead on the Central Highlands of Cape Breton Island in Nova Scotia, another 10% is dying and over 50% is heavily defoliated.

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Maine Cooperative Spruce Budworm Suppression Projects, Block Planning and Guidance Procedures for Spray Aircraft Draft

Problem Addressed: Spruce Budworm

Goal(s)/Objective(s): Serve as a management guide to project planners and to inform interested parties of procedures employed.

Downloads: 0

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Controlling Hardwood Sprouts with Foliage Sprays

Problem Addressed: Controlling unwanted hardwood reproduction

Goal(s)/Objective(s): A more effective, less destructive way to deal with the unwanted hardwood reproduction is necessary.

Key Findings: For forest management, fairly low percent kill with decreased rate of regrowth for 2 or 3 seasons may be adequate to give pine the release it needs.

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The Spruce Budworm in Maine in 1972

Problem Addressed: Spruce budworm in Maine

Goal(s)/Objective(s): Determine what to do to combat the spruce budworm issue.

Key Findings: Ground and aerial surveys and airport procedures were conducted as reported in preceding reports by many of the same personnel, but with a change from a centralized to a regionalized system of administration.

Downloads: 14

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Bionomics of the Spruce Budmoth, Zeiraphera ratzeburgiana (Ratz.) (Lepidoptera: Olethreutidae)

Problem Addressed: Spruce budmoth

Goal(s)/Objective(s): Obtain more complete information on the life history, seasonal occurrence, behavior, and on some factors of natural control of this insect.

Downloads: 1

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Measurement and Analysis of the Activity of Adult Spruce Budworm Parasitoids

Problem Addressed: Parasitoids related to the spruce budworm

Goal(s)/Objective(s): Present results of an investigation of the spatial and temporal dynamics of adults of the parasitoid Gypta fumiferanae Vierick.

Key Findings: An important factor influencing adult parasitoids and one that may be controllable is the availability of nutrients and moisture

Downloads: 2

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Monitoring the Aerial Spraying of Insecticide Against the Spruce Budworm, in Quebec, in 1984

Problem Addressed: Spruce budworm insecticide effects

Goal(s)/Objective(s): Evaluate concentrations of Bacillus thuringiensis in the air of two municipalities of region 01 (St-Honoré de Témiscouata and Causapscal).

Key Findings: Spraying biological insecticides would constitute a negligible hazard to the health of the citizens nearby.

Downloads: 1

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Stand Parameters Affecting Mortality Factors of Spruce Budworm Eggs and Dispersing Larvae

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Examine the effects of stand characters on population fluctuations of egg and dispersing first- and second-instar spruce budworm.

Key Findings: Open area and non-host tree densities favorably affected budworm parasites.

Downloads: 9

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Biological Assessment of Aerial Forest Spraying Against Spruce Budworm in New Brunswick III. Effects on Two Overwintering Parasites

Problem Addressed: Spruce budworm in Eastern Canada and Maine

Key Findings: This instance of increased per cent

Downloads: 3

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Baxter State Park Spruce Budworm Protection Recommendation 1981

Problem Addressed: Spruce budworm in Baxter State Park

Goal(s)/Objective(s): To manage the SFMA using the most approved practices of scientific forestry in accordance with Percival Proctor Baxter's deeds of gifts and conveyances and to provide multiple-use management so as to harmoniously coordinate the primary use, timber management, with other uses for which the area can be managed.

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