What Does the Emerald Ash Borer Do to the Trees

EAB larvae kill ash trees by tunneling under the bark and feeding on the part of the tree that moves water and sugars up and down the trunk.

How do Emerald ash borers affect the environment?

Effects of emerald ash borer may be similar to those of chestnut blight or Dutch elm disease. As ash trees in forests die, gaps form in the forest canopy, allowing light to reach understory vegetation. … Native herbaceous plants may be impacted by the loss of the ash trees and the responses of other vegetation.

How are emerald ash borer harmful?

The emerald ash borer poses a very serious threat to all species of ash trees throughout the United States and Canada. … This causes general yellowing and thinning of the foliage followed by canopy dieback and the eventual death of the tree in one to three years.