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Emerald Ash Borer Found in Douglas County (Omaha, NE)

Posted by Rachael Monico on Wed, Jun 08, 2016 @ 04:59 PM

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Today the Emerald Ash Borer (EAB) was confirmed in Dougals County. The EAB is a very invasive species, threatening Ash trees everywhere. CM's A Cut Above does have treatment options that may be available to you depending on your tree.  Before treating any ash tree, a homeowner should consider the following:

  • Maturity of Tree
  • Tree Health
  • Effect on Property Value
  • Effect on Energy Cost
  • Sentimental Value
  • Cost of removal/Replacement

Trees should only be treated by a certified arborist. To verify certification, visit http://www.nearborists.org/ or  http://www.isa-arbor.com/findanarborist/arboristsearch.aspx

 


Emerald Ash Borer (EAB)EAB Facts:

  • EAB is a destructive, wood-boring insect that feeds on all species of Ash trees eventually killing them.
  • EAB has been moving westward for over a decade, killing over 60 million trees and now it has made its way to Omaha.
  • Once a tree shows symptoms of infestation, it has likely been infested 2-3 years, making treatment difficult.
  • Preventive treatments have been proven effective in keeping Ash trees safe from the EAB.

 

Treatment: 

  • One tree injection every other year
  • EAB treatment may be recommended for certain Ash Trees (see above).
  • EAB tunnels.jpgConsult with a CM's arborist to determine an appropriate treatment timeline.

 

Are Treatments Effective?

Yes. Tree-age trunk injections have been proven by independent university tests to provide maximum EAB control. Trunk injection is the preferred method of treatment supported by the most research.  Preventive treatments are highly recommended as it can be difficult to gain control once EAB has infested a tree.

 

EAB Symptoms:

  • The first noticable symptom is a general thinning of the canopy.
  • Canopy thinning then progresses to major limb dieback.
  • Eventually the entire canopy dies. Epicormic sprouts are common on the lower half of the main trunk.
  • Tiny D-shaped exit holes are found on the bark, usually accompanied by woodpecker damage.
  • S-shaped feeding galleries can be found just underneath the bark. 

 Contact A Licensed Arborist

Topics: Tree Care, Ask The Arborist, Emerald Ash Borer, insects, EAB