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Plant Health

Emerald Ash Borer

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Background
Image of an Emerald Ash Borer.For several years, homeowners and landscapers in Southeast Michigan were concerned about the loss of their ash trees to “ash yellows,” thinking that the problem was due to a combination of disease, drought, pollution, acid rain, and poor soils. The trees exhibited a top-down dieback, yellowing leaves, dense sprouting from roots and trunks (“epicormic shoots”), and other signs of tree stress typical of ash decline or other native phloem borers such as two-lined chestnut borer. One-third to one-half of the affected ash trees’ branches died within a year, and most of the canopy was dead within two years.

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Frequently Asked Questions (PDF; 36 Kb)
Click here to view a list of the commonly asked questions and concerns associated with the Emerald Ash Borer quarantine.

On-Line Resources

Additional Emerald Ash Borer Links

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Environmental Documents

Emerald Ash Borer Biological Control Program 5-Year Plan (PDF; 31 Kb)

National Wood Borer Bark Beetle National Survey Field Manual (PDF; 4.4 Mb)

2008 Emerald Ash Borer Survey Guidelines (PDF; 1.14 Mb)

Federal Regulations and Quarantine Notices

Video - Purple Trap Instructional Video (windows media video).  For a free copy of the DVD, please call 1-866-322-4512.

Regulatory Information
  Lawson Recall  
  Compliance Agreements
  Quarantine Map

Draft Emerald Ash Borer New Pest Response Guidelines (PDF; 2.85 Mb)

Comments and questions may be submitted to:

Paul Chaloux, Acting National Program Coordinator
Emerald Ash Borer Program
4700 River Road Unit 137
Riverdale, MD 20737
Or by email to: Paul.Chaloux

Contact:
Michael Stefan
Program Manager
301-734-4387
E-mail: Michael.B.Stefan

Last Modified: August 12, 2008


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