Learn more about TCD in your state





National and State Maps of TCD

National and State Maps


Effective controls for TCD have not yet been identified and their development will require better understanding of the biology of the walnut twig beetle and the fungus. Rapid detection and removal of infected trees currently remains the primary means of managing TCD. Stopping or slowing its spread from infested areas relies on quarantines of wood products and public education.

You can help minimize the chances of spreading TCD by:

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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