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National and State Maps of TCD

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Indiana Information

The presence of Geosmithia morbida, the causal agent of Thousand Cankers Disease, has been detected in Indiana on the weevil Stenomimus pallidus. The walnut twig beetle (Pityophthorus juglandis) has also been detected at a different location.


The Indiana Department of Natural Resources issued a quarantine order on August 30, 2010, to prevent the introduction of TCD into Indiana. A final rule was issued on May 22, 2013.

Reporting TCD

Report a suspected find of TCD by notifying the Indiana Department of Natural Resources, Division of Entomology and Plant Pathology, by calling 1-866-NOEXOTIC (1-866-663-9684) or by sending an email to depp@dnr.in.gov. Please include your contact information, a description of the symptoms you have observed, and the location of the suspect tree.

Additional Resources

Latest News

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

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

PA expands TCD quarantine to include Lancaster County. - Nov. 03, 2014

TCD fungus found on S. pallidus weevil in Indiana. Walnut twig beetle not yet detected. - Jun. 19, 2014

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