EAB, or Emerald Ash Borer, is a very destructive insect pest that wreaks havoc on all species of ash. Originating in Michigan, it arrived through firewood deliveries and has now proliferated throughout the Chicago area.
With much of our urban forest composed of Ash trees, the future effects from this insect will be devastating. If left untreated, a great number of those trees will die over the next one to four years.
So what can be done? Either replacement or treatment.