Learn more about TCD in your state





National and State Maps of TCD

National and State Maps

Ohio Information

Walnut twig beetles were found in Butler County in late 2012. The presence of TCD has since been confirmed in Ohio.


An exterior state quarantine for TCD was enacted on September 6, 2012.

Reporting TCD

See information listed under additional resources.

Additional Resources

Latest News

Michigan Seeks Comments on Proposed Revision to TCD Quarantine - Sep. 06, 2017

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

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