How to Spot Emerald Ash Borer Damage on Omaha Area Trees

If you have ash trees on your property in the Omaha metro area, there’s one pest you can’t afford to ignore: the emerald ash borer. This invasive beetle has devastated millions of ash trees across the Midwest, and Nebraska communities continue to see widespread damage every year.

The challenge is that many homeowners don’t realize their tree is infected until the damage is severe. Learning the warning signs early can help save healthy trees and prevent dangerous dead limbs from becoming a safety hazard.

What Is Emerald Ash Borer?

The emerald ash borer (EAB) is a small metallic-green beetle that attacks ash trees by laying eggs beneath the bark. Once the larvae hatch, they tunnel through the tree’s vascular system, cutting off its ability to transport water and nutrients. Without treatment, most infested ash trees die within a few years.

Image of an emerald ash borer beetle

In Omaha neighborhoods, EAB commonly affects:

• Green ash

• White ash

• Black ash

• Autumn Purple ash varieties

Because ash trees were widely planted throughout eastern Nebraska decades ago, many residential properties are vulnerable.

Early Signs of Emerald Ash Borer Damage

The sooner you identify EAB activity, the better chance you have of protecting your trees. Watch for these common symptoms:

Thinning or Dying Canopy

One of the first signs homeowners notice is thinning leaves near the top of the tree. Sections of the canopy may appear sparse, dead, or fail to leaf out fully in spring. Over time, branch dieback spreads downward through the tree.

Excessive Woodpecker Activity

Woodpeckers love feeding on emerald ash borer larvae. If you suddenly notice heavy woodpecker activity on your ash tree during winter or early spring, it may indicate an infestation beneath the bark. You may also see lighter patches where bark has been chipped away.

D-Shaped Exit Holes

Adult beetles leave behind tiny D-shaped holes when they emerge from the tree. These holes are usually about 1/8 inch wide and can be difficult to spot from the ground. A professional inspection is often needed to identify them accurately.

Bark Splitting

As larvae tunnel under the bark, vertical cracks or splits may appear on the trunk or major branches. In some cases, you may even see the winding larval galleries beneath the bark surface.

Sprouting at the Base of the Tree

Ash trees under stress often produce shoots or sprouts around the trunk base. While this is a defense response, it’s frequently a sign the upper canopy is declining.

Dead Branches and Falling Limbs

As infestation progresses, branches become brittle and die off. This creates a major safety risk for homes, driveways, vehicles, and pedestrians — especially during Nebraska storms or high winds.

Why Omaha Area Homeowners Should Act Quickly

Once emerald ash borer damage becomes advanced, treatment may no longer be effective. Dead or structurally compromised ash trees often require full removal, which can be significantly more expensive than preventative care. Professional treatment can protect healthy ash trees and extend their lifespan for many years when caught early enough.

Can Emerald Ash Borer Trees Be Saved?

In many cases, yes. If the tree still has a relatively healthy canopy and hasn’t suffered extensive decline, systemic insecticide treatments can successfully protect it from further infestation. A certified arborist can evaluate:

• Overall tree health

• Percentage of canopy loss

• Structural integrity

• Presence of active infestation

• Whether treatment or removal is the best option

• Protect Your Ash Trees with Professional Inspection and Treatment

If you suspect emerald ash borer activity on your Omaha-area property, don’t wait until the tree becomes hazardous. Atrium Tree Service provides professional ash tree inspections, emerald ash borer treatment plans, and safe tree care solutions for homeowners throughout the Omaha metro area. Our experienced team can help determine whether your ash trees can be treated and protected — potentially saving you thousands in future removal costs.

Schedule an Ash Tree Inspection Today

Whether you’ve noticed thinning leaves, dead branches, or unusual woodpecker activity, a professional evaluation is the best next step.

Contact Atrium Tree Service today to schedule an inspection and protect your trees before emerald ash borer damage becomes irreversible.

Request a Quote Today!

📞 402-991-8111

👉 AtriumTreeServiceOmaha.com