Symptoms of Attack by Emerald Ash Borer

photo: James W. Smith 1. The upper third of a tree dies back first,followed by the rest the next year.
photo: MI Dept of Agriculture 2. This is followed by many shoots or sprouts emerging below dead portions of the trunk.
photo: David Roberts, MSU 3. The canopy continues to decline until the tree eventually dies.
photo: R. Anderson, USDA FS 4. Woodpecker activity is an 'early warning sign' of emerald ash borers.
photo: R. Rabaglia, MDA 5. Emerging adults leave tell-tale D-shaped exit holes behind tree bark
photo: MDA Signs of EAB include eaten leaves, as above.

​​Emerald Ash Borer​