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Posted on: June 5, 2019

Gypsy Moth Spraying

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GYPSY MOTH AERIAL SPRAYING UPDATE: 12-JUNE-2019


We will spray 2,385 total acres in Douglas County at three spray sites. We have completed spraying 593 acres of Bacillus thuringiensis sub sp. kurstaki (Btk) at two sites, and we will be spraying 1,792 acres of mating disruption at one site. We have attached the map of the future mating disruption treatment area to this email. The current dates for mating disruption treatments are between June 25th, 2019 – July 17th, 2019 with no spraying occurring over the week of  4th of July (July 1st – July 7th).  


Please note our toll-free number: 1-800-642-6684, and our e-mail, gypsymoth@wisconsin.gov. Additionally, our toll-free line carries a recorded message about our daily spray plans once spraying begins.


Douglas11


GYPSY MOTH AERIAL SPRAYING UPDATE: 6-JUNE-2019

 

WHAT: Gypsy moth aerial treatments by the Wisconsin Department of Agriculture, Trade and Consumer Protection’s Gypsy Moth Slow the Spread (STS) Program. The STS aerial program for 2019 consists of 49 treatment sites, involving approximately 117,000 acres across 16 counties in western Wisconsin.

WHEN: Thursday, 6-June-2019, weather permitting.

WHERE: Select sites in Burnett and Douglas counties. A progress chart and maps of treatment sites can be viewed online at http://gypsymoth.wi.gov.

WHY: The treatments are 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.

PLAN DETAILS: The first Btk treatments will begin in the previously mentioned counties covering 6 sites. Most sites may have more than one treatment planned and will be treated again on a later date.

TREATMENTS: Planes will apply 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.

OTHER DETAILS: Applications can start as early as sunrise and will continue until the day’s plan is complete and as weather conditions allow. Treatment applications require calm winds, high humidity, and no precipitation.

The planes are loud and will fly low, just above the tree canopy. Spraying does not affect organic certification.

The insecticide is not toxic to people, bees, animals, birds, or plants.

People who have allergies may wish to stay indoors or leave the area until treatments are done. Pets or livestock may be frightened by the noise of the low-flying planes, so keep them indoors or monitor them.

Most sites will receive a second application of Btk about 7–10 days after the first application.

FOR MORE INFORMATION:

Treatment updates will be available as a recorded message on the toll-free hotline 1-800-642-6684, press 1. You also can get instant updates by connecting with us on Twitter (http://twitter.com/widatcp) or Facebook (http://www.facebook.com/widatcp). You can also send an e-mail to gypsymoth@wisconsin.gov.

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