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

Ohio adds Butler County to TCD Quarantine - Dec. 19, 2013

First record of TCD in Europe - Dec. 11, 2013

Tenessee expands quarantine to include Morgan and Rhea counties. - Nov. 06, 2013

TCD confirmed in Ohio. Citizens encouraged to check trees for signs of invasive pests. - Aug. 12, 2013

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