Gypsy Moth in Wisconsin Pest management
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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.

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Are they a problem in your area?

If your property is in one of the quarantined counties, gypsy moths could be abundant enough to cause defoliation in your area. In un-quarantined counties, gypsy moth are still very rare and it would be unusual for this pest to be a problem.

Map of quarantined Counties: Adams, Brown, Calumet, Columbia, Dane, Dodge, Door, Florence, Fond Du Lac, Forest, Green Lake, Jefferson, Juneau, Kenosha, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Rock, Sauk, Shawano, Sheboygan, Vilas, Walpaca, Walworth, Washington, Waukesha, Waushara, Winnebago, Wood

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Life cycle & biology History & spread Biological control Are they a problem in your area? Quarantine: What does it mean? How to predict next year's damage Favored trees & shrubs Management guide for homeowners Management guide for woodlot owners Programs for cities & counties DNR program for supression of outbreaks