Emerald Ash Borer
The emerald ash borer has killed more than 40 million ash trees in Michigan, Ohio, Indiana, Illinois, Maryland, Virginia, Pennsylvania, West Virginia, Missouri, Wisconsin, Minnesota, Kentucky, New York, and Iowa.
- June 2007 - first confirmed detection in PA (Cranberry Township in Butler County and Marshall Township in Allegheny County)
- June 2008 - found in West Middlesex, Mercer County
- February 2009 - identified in Granville, Mifflin County
- June 2009 - found in Allegheny Township, Westmoreland County.
Surveys conducted in Pennsylvania during the summer of 2009 also detected the emerald ash borer in Washington, Armstrong, and Indiana counties. Juniata County was added late in 2009 to the list of Pennsylvania counties that are under an order of quarantine for the emerald ash borer. In May 2010 the emerald ash borer was detected in Bedford County. As of mid-June 2010 a total of 12 Pennsylvania counties are now under an order of quarantine for the emerald ash borer.
As a result, a state-imposed quarantine has been issued restricting the movement of all ash nursery stock, green lumber, and other ash material (including logs, branches, wood chips, and firewood).
- Frequently Asked Questions
- Emerald Ash Borer Fact Sheets
- Emerald Ash Borer Look Alikes
- Emerald Ash Borer Photos
- Photos of EAB damage on ash trees, the insects, and a purple panel sticky trap
- Timeline of EAB detection in PA
- Survey and Detection
- Emerald Ash Borer - national
- This Web site is part of a multinational effort in Michigan, Illinois, Indiana, Kentucky, Maryland, Minnesota, Missouri, New York, Ohio, Pennsylvania, Virginia, West Virginia, Wisconsin, Ontario and Quebec to bring you the latest information about emerald ash borer.
- In the News
- News articles about Emerald Ash Borer
- More Information
- Web sites with more information about Emerald Ash Borer. Including the national EAB site, the Pennsylvania EAB site and other sites (Michigan, Ohio, Maryland, USDA Forest Service, Bugwood) sites.
- Compliance Agreements
- Compliance Agreements for EAB in Pennsylvania
- PA Firewood Quarantine Order
- Restricted movement of firewood to prevent or lessen the spread of invasive pest species like EAB

