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“Slow The Spread”: A National Program to Contain the Gypsy Moth

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Invasions by alien species can cause substantial damage to our forest resources. The gypsy moth (Lymantria dispar) represents one example of this problem, and we present here a new strategy for its management that concentrates on containment rather than suppression of outbreaks. The “Slow the Spread” project is a combined federal and state government effort to slow gypsy moth spread by detecting isolated colonies in grids of pheromone-baited traps placed along the expanding population front from Wisconsin to North Carolina. Detected colonies are treated using Bacillus thuringiensis or mating disruption. Analyses to date indicate that this project has reduced spread by more than 50 percent.

Keywords: entomology and pathology; environmental management; forest; forest management; forest resources; forestry; forestry research; forestry science; integrated pest management; invasive species; natural resource management; natural resources

Document Type: Miscellaneous

Affiliations: 1: Research Scientist Department of Entomology, Virginia Polytechnic Institute and State University, Price Hall, Blacksburg, VA, 24061, 2: Manager Slow the Spread, USDA Forest Service, Forest Health Protection, Asheville, North Carolina, 3: Research Entomologist USDA Forest Service, Northeastern Forest Experiment Station, Morgantown, West Virginia, 4: Senior Research Associate Department of Entomology, Virginia Polytechnic Institute and State University, Price Hall, Blacksburg, VA, 24061, 5: Director Plant Industry Division, North Carolina Department of Agriculture and Consumer Services, Raleigh,

Publication date: July 1, 2002

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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