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Farm News: Gypsy Moth Applications Continue

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Posted: 05.31.2011

 

Selected areas in several western counties are scheduled for aerial spraying by low-flying planes on May 28 and May 31, as part of the Wisconsin Cooperative Gypsy Moth Program, weather permitting.
The spraying is necessary to control the spread of gypsy moth, a destructive and invasive pest that feeds on the leaves of oaks, maples, crabapples, birch and many other species of trees and shrubs.
Spraying starts at around sunrise and will continue until the day’s spray plan is completed and as weather conditions allow. Spraying requires calm winds, high humidity and no precipitation. The planes fly about 50 feet above the trees and will be loud.
The following is planned for Saturday, May 28:
The Wisconsin Gypsy Moth Slow the Spread Program, coordinated by the Wisconsin Department of Agriculture, Trade and Consumer Protection, plans to treat in the following counties: Chippewa, Clark, Eau Claire, Richland and Vernon.
The Suppression Program, coordinated by the Wisconsin Department of Natural Resources, has no plans to treat on May 28.
Areas that are incomplete will likely be treated on May 31.
The following is planned for Tuesday, May 31:
The Wisconsin Gypsy Moth Slow the Spread Program, coordinated by the Wisconsin Department of Agriculture, Trade and Consumer Protection, plans to treat in the following counties: La Crosse, Monroe, Polk, Price, Rusk and Washburn.
The Suppression Program, coordinated by the Wisconsin Department of Natural Resources, has no plans to treat on May 31.
Areas that are incomplete will likely be treated on June 1.
The planes will apply the biological insecticide Foray 48B, which is approved for use in certified organic production or food processing by the Organic Materials Review Institute. The insecticide contains Bacillus thuringiensis var. kurstaki or Btk. Btk is a naturally occurring soil bacterium that is poisonous to gypsy moth caterpillars when consumed. Btk breaks down in sunlight within a few days. It is not toxic to people, animals, birds, honey bees and other wildlife. People who are uncomfortable or have allergies may choose to stay indoors or leave the area until the spraying is done. Pets or livestock may be frightened by the noise of the planes, so keep them inside or closely monitor them.
 
People may request to receive spray notifications via e-mail by e-mailing their name and county of interest to gypsymoth@wisconsin.gov.
 
Maps of spray sites and more information are available on the Web at gypsymoth.wi.gov. Updates of the spray progress are available on the toll-free gypsy moth hotline 1-800-642-6684 or on the Web at twitter.com/WIGypsyMoth.

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