Gypsy Moth

The Emerald Ash Borer is a small, green beetle more commonly known as the metallic wood boring beetle. It is between 0.3-0.55 inches in length. The full life cycle of a EAB takes 1-2 years to complete. EAB feed on ash trees mostly. The larvae feed on phloem(vascular tissue) and cambium(cellular plant tissue) and the adults feed on the leaves. EAB was first found in 2002 in Detroit,MI and Windsor, ON. It arrived sometime earlier on wood used in shipping other goods. EAB's build up rapidly with infestation in ash trees leading to the death of the tree infected. Trees normally die within 2-3 years after being infected. The EAB's  infest the top of the tree first and cause thinning and dieback. Woodpecker activity is often the tell tale sign that the ash tree is heavily infected. 

The first US outbreak occurred in 1889, and by 1987, the gypsy moth had established itself throughout the northeast US, southern Quebec, and Ontario. The insect has now spread into Michigan, Minnesota, Virginia, West Virginia, and Wisconsin. Small, isolated infestations have sporadically occurred in Utah, Oregon, Washington, California, and British Columbia, but efforts have been taken to eradicate them.

According to a 2011 report, the gypsy moth is now one of the most destructive insects in the eastern United States; it and other foliage-eating pests cause an estimated $868 million in annual damages in the U.S. The Gypsy Moth feeds on most species of trees with oaks being the favorite.


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Emerald Ash Borer

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