Emerald Ash Borer

The Emerald Ash Borer is an invasive wood boring beetle that infests all species of ash trees.  It can take years for symptoms to be noticed, trees are not always salvageable once damaged.

What is Emerald Ash Borer?

This invasive species uses Ash trees to host development of its larvae

The larvae live under tree bark and feed on the tree during fall and winter causing damage and eventually death

Once matured they exit the tree via D-shaped holes, breed and start the cycle over again

What are the symptoms of Emerald Ash Borer?

– Canopy die back

– D-shaped exit holes when the larvae emerge in June

– Bark cracks

– Woodpecker activity

D shaped Exit Holes
Leaves that have been fed upon
Borer Larvae

How is Emerald Ash Borer treated?

– If dieback is less then 50% treatment is recommended

– Insecticide treatment to combat infestation

– Fertilization and nutrient injections to help strengthen the tree

– Removal of the tree if necessary.  

– Careful disposal of infested wood to prevent spread

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