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Emerald Ash Borer
Emerald Ash BorerLatest News on EAB in Orland Park

On October 7, 2013, the village Board of Trustees was presented a report on the infestation of the Emerald Ash borer (EAB) in Orland Park.  The village has an inventory of over 8,000 parkway ash trees. An added challenge is that a large number of these parkway trees have experienced rapid deterioration. In an effort to address the devastating effect that the EAB has had on the parkway ash tree inventory, the village has implemented an aggressive multi-year removal and replacement plan.  And to better facilitate the tree removal process, the village developed a tree condition rating system that will assist in determining which trees will be targeted for immediate removal and which trees will temporarily remain. 

The complete EAB report can be found by clicking on:  EAB Board Report for Oct 7 2013. 


EAB in Orland Park 
The Village of Orland Park is within the State of Illinois Emerald Ash Borer (EAB) Quarantine Zone.  The EAB, a destructive beetle from Asia, has been confirmed in all subdivisions with the Village of Orland Park.  All native North American ash trees are susceptible to EAB attacks and many trees in Orland Park are already dying or dead due to the infestation.

The village will be removing all ash trees in public parks and parkways and replacing them with various species while attempting to cause as little impact to residents as possible. Prescribed treatments can sometimes slow the demise of an infested ash tree, but there is currently no effective permanent treatment to save them.

Village crews and private contractors will be removing all parkway ash trees in the village, one subdivision at a time based on severity of decline. Ash trees that have been requested for removal will be inspected and, if found to be dangerous, will be removed as quickly as possible.

Because of the large number of ash trees in the village, removal work is ongoing. Public Works will determine the schedule of work in subdivisions based on the number of unhealthy ash trees and their size. Some areas are more highly affected than others. After your parkway tree has been removed, the stump will be ground down and the area restored within a timely manner.

The village plan is to replace the parkway trees during the following planting season.  Please note that it may not be possible to immediately plant a replacement tree. The number of trees replaced will be in accordance with Village Code.

Characteristics of the EAB

The adult Emerald Ash Borer is usually bronze or golden green in color with darker, metallic emerald green wing covers. Males are larger than females but the adult insect is generally about half the diameter of a penny.

Detection of Tree Infestation by the Emerald Ash Borer Detection of the Emerald Ash Borer infesting a tree can take up to a year before there are any signs of damage. A tree that has been infested for at least a year will have D-shaped exit holes present on the branches and the trunk left by emerging adult borers.

Prolonged infestation will cause a tree to die from the top.

Control & Eliminate the Emerald Ash Borer
The Illinois Department of Agriculture (along with 20 or so other local, state, and federal agencies) are hoping to control and eliminate the Emerald Ash Borer insect within the borders of Illinois. Illinois residents who detect possible signs of infestation can help in the effort to eliminate this problem by contacting the Illinois Department of Agriculture’s Pesticide Hotline 1-800-641-3934.

You may also email the Illinois Department of Agriculture with your contact information, some digital photos of the tree and close-ups of the symptoms it is exhibiting.

Resources
Information about EAB in Orland Park can be found at the following:

Village of Orland Park EAB Brochure
EAB Board Report for Oct 7 2013

More Information regarding the Emerald Ash Borer may be found at the following websites: