What you need to know about Emerald Ash Borer in Ohio


What you need to know about Emerald Ash Borer in Dayton Ohio.

What is Emerald Ash Borer?

Emerald Ash Borer adult beetle and beetle larvae.

Emerald Ash Borer is a species of beetle that feeds on Ash trees. They came to the US in wooden packing material from China. Emerald Ash Borer beetles are a relatively new problem in Ohio. They became widespread in our area in the early 2000s. EAB is a big problem here because of our state's large Ash tree population.

Female Emerald Ash Borer leave their eggs underneath the bark of ash trees. After the eggs hatch, the larvae bore into the tree emerging a year later as an adult to mate and continue their life cycle.

How to Tell If Your Tree Has Emerald Ash Borer

There are a few symptoms that can be used to identify an Emerald Ash Borer infestation. Many of the symptoms are similar to other diseases that can affect Ash trees so usually more than one symptom is used for diagnosis.

Symptoms of Emerald Ash Borer

Crown dieback is a symptom of Emerald Ash Borer. A tree with crown dieback looks like it’s dying from the top. It usually shows up in trees that have been affected with Emerald Ash Borer for several seasons.

Crown die off from Emerald Ash Borer.

Epicormic shoots are another symptom of Emerald Ash Borer. Epicormic shoots look like suckers and fresh growth occurring off the base and low branches of the tree. This is a sign of a diseased tree trying to grow where it can, usually below the EAB infestation.