Tree Diseases & Insects

  1. Emerald Ash Borer

    The Emerald Ash Borer is an exotic beetle that was discovered in southeastern Michigan near Detroit in the summer of 2002.

  2. Gypsy Moth

    The gypsy moth is found in every county in Michigan's Lower Peninsula and in certain areas of the Upper Peninsula.

  3. Tar Spot Disease

    Tar spot is caused by a fungus that infects the leaves of maple trees and causes raised black spots to form on the upper leaf surface.