About ambrosia beetles
- Ambrosia beetles (Xylosandrus germanus) are tiny beetles that bore into the heartwood of trees.
- Ambrosia beetles are generally associated with dying trees but this particular species attacks healthy trees and shrubs. They have a wide host range of trees and shrubs including styrax, ornamental cherry, pecan, peach, plum, cherry, persimmon, Japanese maple, holly, golden rain tree, dogwood, sweetgum, magnolia, ash, beech, birch, elm, linden, oak, planetree, tuliptree, willow, and azalea.
- This is primarily a pest in nurseries where it can kill nursery stock. It is also a pest in home landscapes where sometimes infested trees can recover.
- Damage appears as wilting then terminal dieback.