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

2017 survey guidelines now available - Apr. 25, 2017

TCD Research & Management Operational Meeting June 13-15, 2017 - Apr. 21, 2017

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

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

Read More TCD News...