Learn more about TCD in your state





National and State Maps of TCD

National and State Maps

Iowa Information

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


The Iowa Department of Agriculture and Land Stewardship issued an administrative rule in 2009 to prevent the introduction of TCD into Iowa.

Reporting TCD

For more information on reporting suspected cases of TCD in your area, please contact:

Tivon Feely
Iowa Department of Natural Resources
Forest Health Program Leader
(515) 725-8453

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

Read More TCD News...