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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, and New York.

The first confirmed detection of emerald ash borer in Pennsylvania was in June 2007 in Cranberry Township in Butler County and Marshall Township in Allegheny County.

In June 2008 emerald ash borer was found in West Middlesex, Mercer County.

In February 2009, emerald ash borer was identified in Granville, Mifflin County.

In June 2009 the emerald ash borer was 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 recently added to the list of Pennsylvania counties that are under an order of quarantine for the emerald ash borer. As of the end of October 2009 a total of 11 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
Timeline of EAB detection in PA
Emerald Ash Borer Photos
Photos of EAB damage on ash trees, the insects, and a purple panel sticky trap
Emerald Ash Borer Look Alikes
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
Document Actions