Martha A. Smith
Extension Educator, Horticulture
University of Illinois Extension
321 W 2nd Avenue
Milan, IL 61264
Emerald Ash Borer
Emerald Ash Borer, a small, bright metallic green beetle which is native to Asia and Eastern Russia is an invasive species that is highly destructive to ash trees. It is in Illinois and each year more counties are finding the insect in traps or trees. Emerald Ash Borer is here to stay. This website will help identify EAB and present control options.
- Ash Tree Identification
Find out information on Ash Tree buds and branching; leaf scars, buds and stems; leaves; bark, fruits, seeds; and look-a-likes.
- Ash Tree Identification & EAB Symptom Checklist
- Ash Tree Identification YouTube Video
Not sure if you have an ash tree? Let this short video learn about identifying characteristics.
- EAB website IL Department of Agriculture
Click on Treatment, right hand column for Insecticidal Management for your Ash Tree
- Emerald Ash Borer Identification
Get a brief history on EAB, where it's occurring, it's lifecycle; tree signs and what to do if tree is infected.
- Emerald Ash Borer Identification YouTube Video
Checking your ash trees for Emerald Ash Borer (EAB) but not sure what to look for? Watch this short video to find out.
- Homeowner Control Options
The information presented is based on 2014 Illinois pesticide recommendations for homeowners.
- Illinois EAB Quarantine Zone
Revised Emerald Ash Borer Quarantine zone map now includes Rock Island, Mercer, Henderson, Warren, Carrol, Stephenson and Jo Davies counties. November 1, 2013
- Insecticide Options for Protecting Ash Trees from Emerald Ash Borer
This version has been revised to address frequently asked questions and reflect the current state of understanding of insecticide options for controlling EAB and their effectiveness. It is important to note that research is an ongoing process. Scientists from universities, government agencies and companies will continue to make discoveries and advance EAB management and ash conservation.