The primary symptoms of EAB are woodpecker activity, bark splits, crown dieback and suckering shoots. If you would like additional information and pictures to help with identifying these symptoms, go to our EAB Signs and Symptoms webpage. If you see any of these symptoms and would like to confirm if your tree has EAB, contact Forestry staff at LAShadeTreePest@lakevillemn.gov.
An infested ash tree has bark splits with visible larval galleries and/or significant woodpecker activity due to the presence of EAB. City Forestry staff often use binoculars to see galleries high in the tree and can help point out the signs they used to identify the tree as EAB positive. This is one of the reasons leaf-off conditions are best for seeing EAB damage on the tree.
If we see a tree that appears early in the infestation, we will leave a door hanger alerting the property owner about the City’s Ash Injection Program in order to encourage therapeutic injection to preserve the tree and its canopy benefits.