Emerald Ash Borer Treatment Options

emerald ash borer treatmentIn 2002, an invasive insect species that you may have heard of—a tiny green beetle known as the Emerald Ash Borer—was discovered by Michigan foresters.

The EAB, as it’s commonly known, was decimating trees in southeastern Michigan and in nearby Windsor, Ontario. This pest had most likely hitched a ride on a shipping boat, and stowed away in ash pallets and crating.

Over the past decade, the EAB has destroyed between 50 and 60 million Ash trees in a destructive path starting in Michigan and cutting through to Pennsylvania. All major Ash tree species have been attacked by the EAB, and unless proper treatment is given immediately, trees will continue to suffer in Bucks and Montgomery counties.

Ash trees make up nearly 20 percent of our local tree population. This is a potentially devastating problem. So how do you know if the Ash trees on your property are being affected?

Symptoms of Infestation

  • Small D-shaped holes approximately, one-eighth of an inch in size, appear on the trunk.
  • S-shaped, serpentine galleries can be found just under the bark.
  • Chewed up leaves

As we mentioned in our previous article about our region’s endangered Ash trees, the time to do something about Emerald Ash Borers is long before you see them in any Ash trees you have on your property. But late, of course, is better than never. So if you notice any of these symptoms, contact Peter Benz Landscaping and ask for details about our EAB program. (Peter Benz is a certified arborist.)

The bulk of the damage is done by this green beetle’s larva. Here’s how it happens:

  • The adult EAB lands near the highest parts of the Ash tree, where it proceeds to lay eggs in the tree’s bark.
  • A few weeks later, the eggs hatch and the larva bores through the bark and begins to eat. This stops the tree’s vascular flow.
  • By the time most people notice the damage, the top 25 to 30 percent of the tree will most likely need to be removed before the damage gets any worse.

If it isn’t treated, the infected Ash tree could be dead within three years after the initial attack by the EAB. It’s up to you to get your trees treated as soon as you possibly can. Proper treatment will not only protect your Ash tree now—it will also protect it against future attacks. What types of treatment options are available?

Treatment Options

Preventative treatments will help you avoid the high costs and destruction that could result in the loss of your Ash trees. An evaluation of your ash trees by Peter Benz, a certified and licensed pesticide applicator, will decide which of your trees are worth saving, and which should be replaced or removed. Then you will start treatment with one of the following:

  • emerald ash borer treatmentXytect® 2F is a treatment that is injected into the soil. This treatment is best suited for smaller trees, and it’s reapplied on an annual basis. It is effective for a minimum of one year when injected by a professional. It’s not suitable if the tree is located close to water. Xytect has proven especially effective with small Ash trees that aren’t large enough to be treated via trunk injection.
  • TREE-äge® is particular effective on medium and large Ash trees. It is injected into the trunk of the tree by a professional. It does not affect other plants in the vicinity, and it is safe to use around sources of water. Considered the most effective treatment for trees this size, the TREE-äge treatment lasts for two years.
  • TreeAzin® is an organic treatment made from an extract of Neem tree seeds. It works for a period of two years, and is injected into the Ash tree’s trunk by a professional. Not unlike the process undertaken with the TREE-äge treatment, TreeAzin is safe to use near bodies of water, and it won’t have an adverse affect on other plants in the area.

Having your Ash trees treated by a certified arborist is key to their survival. The devastation that can caused by the EAB and its larva is virtually guaranteed, assuming you don’t first stop the pest in it’s tracks.

The Peter Benz Landscaping team will inspect your trees and see whether they are candidates for EAB treatment. Peter Benz landscaping will provide you with a proven and safe treatment plan that is guaranteed.

Contact us at Peter Benz Landscaping today for details about how you can save your ash trees.


Emerald Ash Borer Homeowners Checklist (PDF)

emerald ash borer


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