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Gypsy moth hotline:
1-800-642-MOTH
For more information about the content on this website, please contact Andrea Diss-Torrance.
Site content © 2001-2008 Wisconsin Department of Natural Resources. All rights reserved.
Site design © 2001-2008 Board of Regents of the University of Wisconsin System, doing business as the Division of Cooperative Extension of the University of Wisconsin-Extension. All rights reserved. |
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Each year, gypsy moth caterpillars defoliate thousands of acres of hardwood forests throughout northeastern United States, including Wisconsin. This site offers tips on how to limit damage to your trees and available assistance programs.
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Look for egg masses
If you live in a quarantined county, survey your
property for gypsy moth egg masses. If you find many fresh masses and
are interested in participating in the suppression spray program, contact
your county suppression coordinator. Don't remove egg masses! The suppression
coordinator will need to count egg masses for your property to be eligible
for the suppression program.
Hold off treating or removing egg masses until after
the first hard frost to let a natural enemy of gypsy moth, Ooencyrtus
kuvanae, attack eggs of the gypsy moth.
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