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.
For more information on reporting suspected cases of TCD in your area, please contact:
Iowa Department of Natural Resources
Forest Health Program Leader
- Learn about the risks of transporting firewood and help prevent the spread of invasive pests and diseases.
- Resources to identify black walnut and thousand cankers disease can be found in our section for general information about TCD
- Brief answers to many common questions about the symptoms, diagnostics, management, and prevention of the thousand cankers disease complex may be found in our frequently asked questions section
We suggest you first try reporting TCD using the contacts listed under "Report TCD" above as these contacts are likely directly involved with monitoring TCD in your state.
If no contacts are listed you may also try reporting any suspected finds of TCD in your state to your state member of the National Plant Board, your State Department of Agriculture, State Forester, or Cooperative Extension Office. You may also use this online form for reporting suspected TCD findings and your submission will be redirected to an appropriate contact in your area.