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.

But There is Hope!

Since 2002, the borer has destroyed millions of ash trees, devastating the tree canopy cover in many communities. Ash tree conservation efforts are stronger than ever, and multiple treatment options are available to preserve your ash trees.

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? There may be multiple options for helping to preserve your tree, but early detection is critical.

Contact your Davey arborist for a free emerald ash borer inspection or more information about EAB. We can work with you to protect your trees, from plant health care tips to treatment programs tailored to your goals.

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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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