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Report of the 1958 Maine Spruce Budworm Control Project (Excerpt from the Commissioner’s Biennial Report 1957-58)

Problem Addressed: Spruce budworm outbreak

Goal(s)/Objective(s): Determine the degree of kill or rate of survival of budworms after the spray program had been completed.

Key Findings: 10 days after spraying checking was carried out at each of the 200 sample-collection points.

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Matacil: A Summary of Literature on Environmental Hazard, Human Health Hazard, and Efficacy in Spruce Budworm Control (1979)

Problem Addressed: The insecticide Matacil

Goal(s)/Objective(s): Summarize the available knowledge and provide a complete bibliography on Matacil.

Key Findings: Discusses the biological performance and environmental impact of Matacil although some attention will first be given to its chemistry and methods of analysis.

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Spruce Budworm in the Penobscot River Valley 1974-1978 A Summary of Infestation, Damage, Monitoring and Control

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Presents the history of budworm population and damage over the past five years in the Penobscot Valley. It also summarizes those attempts made by the State to monitor and control the budworm infestation.

Key Findings: The final map was a good indication of high and extreme hazard areas and was used to delineate the next year's spray blocks where applicable.

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Summary of the USDA Forest Service Final Environmental Statement — Western Spruce Budworm Management Plan (1977)

Problem Addressed: Western spruce budworm

Goal(s)/Objective(s): Manage western spruce budworm by long-term special silvicultural treatments on 934,019 acres out of a total infestation of 3,151,985 acres.

Key Findings: The principal beneficial effect of special silvicultural treatment is protection of forests which are the sources of raw materials for wood product mills within and adjacent to the infested areas.

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Growth Impact of the North Kaibab Pandora Moth Outbreak (1987)

Problem Addressed: Tree mortality and growth due to pandora moth outbreaks

Goal(s)/Objective(s): Examine tree mortality and growth in defoliated, insecticide treated, and undefoliated stands in the pandora moth outbreak area on the Kaibab National Forest

Key Findings: Tree mortality was less than 1%, defoliation loss was estimated at least 11 f.b.m. per acre per year.

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Impacts of Air Pollution on Forest Ecosystems (1980)

Problem Addressed: Air pollution

Key Findings: Air pollutants induce changes that do not produce visible injury symptoms but adversely affect growth, yield and quality of plants and plant products. A better understanding is needed of the nature of pollutants and variations in their amounts at given sites.

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Environmental Monitoring of the 1982 Spruce Budworm Spraying Program in Newfoundland

Goal(s)/Objective(s): Determine the impact of the aerial application of the pesticide Matacil on terrestrial insect, songbird and aquatic invertebrate communities over the course of one biological season

Key Findings: Matacil levels on balsam fir in the sprayed areas were low thoughout the study. Six of the 29 samples of balsam fir had Matacil levels over 1.0 ppm (maximum of 5.8 ppm). Levels following the second spray were somewhat higher than following the first. This is attributed to rainfall shortly after the first spray undoubtedly washed some of the pesticie away and a cumulative effect.

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Control of a Spruce Budworm Outbreak in Quebec through Aerial Spraying Operations

Problem Addressed: Spruce budworm in Quebec

Goal(s)/Objective(s): Suppress an incipient spruce budworm outbreak in the Lower St. Lawrence region of Quebec though the aerial application of DDT

Key Findings: Although the distribution of eggs could serve as a guide to determine the areas requiring treatment the following year, the exact delimitation of the spray area should be based on a survey carried out just before application of the insecticide.

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Assessment of the 1971 Spruce Budworm Aerial Spraying Program in New Brunswick and Forecast for 1972.

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Discuss and review the 1971 Spruce Budworm aerial spraying program and suggest proposals for 1972.

Key Findings: The trends suggest that the biocontrol complex operating against the budworm has been weakened, and that spraying may lead to higher general equilibrium levels of budworm, so that resurgence becomes more probable; so far, no minor pest is opportunistically approaching epidemic status. However, spray-induced interference with biocontrol forces leaves this possibility open.

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Maine’s Spruce Budworm Program: Moving toward Integrated Management (1977)

Problem Addressed: Spruce budworm in Maine

Goal(s)/Objective(s): Design and implement a system of integrated pest management through a balanced program of research, population monitoring, silviculture, salvage, reduced reliance on spraying, and development, where possible, of ecologically safe biological agents.

Key Findings: The announcement of an accelerated, multi-year research and development effort by the USDA Forest Service.

Downloads: 1

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