Learn more about TCD in your state





National and State Maps of TCD

National and State Maps

Minnesota Information

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


The Minnesota Department of Agriculture enacted an exterior quarantine for TCD on August 8, 2011.

Reporting TCD

See information listed under additional resources.

Additional Resources

Latest News

Presentations from June 2017 meeting now online - Aug. 08, 2017

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

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