Learn more about TCD in your state





National and State Maps of TCD

National and State Maps

Wisconsin Information

The presence of TCD has not yet been detected in Wisconsin.


Reporting TCD

If you with suspect trees showing signs of TCD are encouranged to contact their local DNR regional forest health specialists.

Additional Resources

Latest News

Walnut Twig Beetle Detected in Indiana - Apr. 09, 2015

MD implements TCD quarantine in Cecil County - Jan. 12, 2015

PA expands TCD quarantine to include Lancaster County. - Nov. 03, 2014

TCD fungus found on S. pallidus weevil in Indiana. Walnut twig beetle not yet detected. - Jun. 19, 2014

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