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Special Collection of Coniferophagous Choristoneura Species and Hybrids at the Great Lakes Forest Research Centre, Sault Ste. Marie, Canada

Problem Addressed: The pinned adult material of several coniferophagous species of Choristoneura retained at the Great Lakes Forest Research Centre in Sault Ste. Marie, Canada

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A Preliminary Report on the Effects of a Split Application of Reldan on Aquatic and Terrestrial Ecosystems

Problem Addressed: Application of RELDAN, pesticide

Key Findings: Knockdown of terrestrial invertebrates was slight, involving primarily small flying Diptera, but also Hymenoptera, Araneida and Plecoptera. Effects of the first spray were more pronounced, presumably due to warmer temperatures and increased insect activity.

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A Review of Studies in Maine on the Impact of Aerial Applications of Sevin-4-oil on the Macroinvertebrate Fauna of Streams and Ponds

Problem Addressed: Effects of Sevin-4-oil

Key Findings: Evidence of a relatively severe impact on the fauna and persistence of residues in the sediment indicate that ponds as well as streams should be included in future monitoring programs

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Aerial Photographic Techniques for Assessing the Impact of Spruce Budworm Defoliation in Maine

Goal(s)/Objective(s): Development of remote sensing techniques to better evaluate current feeding, tree and forest condition from past feeding, forest recovery after spraying, and mortality location from spruce budworm defoliation and other causes.

Key Findings: Tree and forest stand condition from past feeding was best interpreted on the CIR fall photos at scales of 1320 ft/in and larger

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Detecting Forest Insect Pests in Canada

Goal(s)/Objective(s): Review McGugan's paper briefly, to describe the present capability of detecting forest insect pests in Canada, and finally, to offer a few comments about the future

Key Findings: If we possess enough knowledge about the systems involved and can monitor or measure the appropriate parameters, it might be possible to predict when and where outbreaks will occur.

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Determination of Fenitrothion Residues in Honeybees and Their Products

Goal(s)/Objective(s): Describe the development of a gas-liquid chromatographic (GLC) method of analysis of the parent insecticide, its oxon and the cresol hydolysis product in honeybees (Apis mellifera L.) pollen, beeswax and honey from forested areas which had been treated with fenitrothion applied by aircraft.

Key Findings: Average recovery for the insecticide ranged from 84% in bees to 93% in honey.

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Insect Growth Regulator Treatments for Spruce Budworm Control in Maine, 1976

Problem Addressed: Insect Growth Regulators

Goal(s)/Objective(s): Discuss two types of IGRs, juvenile hormone analogues (JHas) and Dimilin

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A History of the Effects of Aerial Forest Spraying in Canada on Aquatic Fauna

Problem Addressed: Pesticide spraying

Key Findings: Much progress has been made in discovering and eliminating undesirable side-effects of forest insect control operation in Canada on aquatic ecosystems, however, the role of many factors related to insecticide toxicity and side-effects still remain vague.

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Environmental Impact Studies of Spruce Budworm (Choristoneura Fumiferana Clemens) Control Programs in New Brunswick in 1976

Problem Addressed: Untoward effects to non-target organisms of the forest ecosystem increases as new products, dosage rates and pesticide combinations are introduced into the spray regime.

Goal(s)/Objective(s): Presents the results of studies carried out in New Brunswick to determine immediate effects and short-term impact of a series of trials employing several chemical insecticides at varying dosage rates upon breeding bird and small mammal populations and benthic organisms in treated streams

Key Findings: Aminocarb employed as an adulticide had no significant effects on bird or aquatic insect populations

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