New DNR guidance published on aerial spraying

The report includes details on attacking gypsy moth and caterpillar infestations

With reports of gypsy moth and tent caterpillar infestations coming in, the Wisconsin DNR has published a revised 25-page guide to regulations and advice for aerial spraying projects by land owners and local government.

The most significant defoliator infestations reported to the DNR are:

  • Gypsy moth: Brown and Fond du Lac counties
  • Forest tent caterpillar: Oneida County
  • Spruce budworm: Forest, Marinette and Vilas counties
  • Larch casebearer: Oneida and Vilas counties
  • Spanworms and underwing caterpillars: Devil’s Lake State Park

The guide can be downloaded from this link:

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