Aerial Spraying Program Against the Gypsy Moth
Problem Addressed: Gypsy moth (Lymantria dispar)
Key Findings: The biological repression program was a total success. The residual egg mass populations are significant as to the result of the spraying. No control program will be carried out in 1980 in Quebec.
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- Bordeleau, Clement
Entomology and Pathology Service, Department of Energy and Resources
An aerial spraying program was conducted against the gypsy moth over 1,237 hectares in Quebec in 1979; 650 hectares were located in the Mount St-Bruno Park and 587 hectares in the Domaine Gault of Mount St-Hilaire. As severe defoliation occurred in those parks in 1978, the Quebec Department of Lands and Forests was asked to spray those intensive-use territories where beech, maple, red oak, poplar and birch were the most abundant species.
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