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Emerald Ash Borer

The emerald ash borer is an invasive, wood-boring beetle from Asia that represents a significant challenge to our urban forests and our backyards. Since 2002, the borer has destroyed millions of ash trees, devastating the tree canopy cover in many communities.

Multiple treatment options are available to preserve your ash trees, but early detection is critical. Find your local certified arborist immediately to protect your trees from this invasive species. 


But There is Hope!

Ash tree conservation efforts are stronger than ever. We know the important role these trees play in your landscape and will work with you to protect them, from early detection and plant health care tips to treatment programs tailored to suit the needs of your trees.

Do you have an ash tree? They can be identified by:

  • Single eye-shaped leaves growing opposite each other and a single leaf extending from the end of the branch.
  • Branches have a total of 7 to 9 leaves. 

EAB Symptoms

Emerald Ash Borer
  • Bark damage by woodpeckers searching for larvae
  • Chewing damage on foliage edges
  • Thin, 2-5 inch vertical slits in the bark
  • 1/8 inch D-shaped holes in the bark
  • S-shaped tunnels beneath the bark
  • Multiple trunk sprouts with heavy infestation
  • Leaf wilt and branch dieback with heavy infestation


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