HARRISBURG, PA. - The Emerald Ash Borer, threatening Pennsylvania's $25 billion hardwoods industry, has been discovered in two more counties, says the Pennsylvania  agriculture department. With the discovery in Huntingdon and Wyoming counties, a total  21 Pennsylvania counties have confirmed the presence of the bug, which kills ash trees n about three years. a

The invasive Emerald Ash Borer beetle was first detected in Pennsylvania in the summer of 2007 in Butler County, and has since been found in 20 other counties, including Allegheny, Armstrong, Beaver, Bedford, Centre, Clarion, Cumberland, Fulton, Indiana, Juniata, Lawrence, Lycoming, Mercer, Mifflin, Somerset, Union, Washington and Westmoreland, in addition to the recent discoveries in Huntingdon and Wyoming counties.

A federal Emerald Ash Borer quarantine restricts moving ash nursery stock, green lumber, and any other ash material, including logs, stumps, roots and branches, from the state. Due to the difficulty in distinguishing between species of hardwood firewood, all hardwood firewood and wood chips—including ash, oak, maple and hickory—have been quarantined by the state.

The Emerald Ash Borer has also been cited in two Canadian provinces. Earlier this year the Pennsylvania ended its Ash Borer quarantine because the bug had circumvented restrictions.

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