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Gypsy Moth Spraying in Douglas, Sawyer Counties

Posted at: 06/04/2014 12:29 PM



Don't be alarmed by loud planes flying low in parts of northwestern Wisconsin this week.

The Wisconsin Department of Agriculture, Trade and Consumer Protection will be spraying for Gypsy Moths at select sites in Douglas and Sawyer counties Thursday. The work is part of the Slow the Spread aerial program for 2014, which consists of treating 60 sites on 186,000 acres of land in 18 counties.

The department said "spraying is necessary to control the spread of gypsy moth, a destructive and invasive pest that feeds on the leaves of oaks, maples, crabapple, birch and many other species of trees and shrubs."

Three different treatments are being completed in select areas of the state. Two utilize the biological insecticides Btk and Gypchek. Another uses a synthetic female moth pheromone which serves as a mating disruptor. Both insecticides and the mating disruptor are not toxic to people, bees, animals, birds and plants.