A birch infested with bronze birch borer will start showing dieback in the crown increasing in severity as the infestation continues often leading to death of the tree.
River birch tree borers.
Attractive salmon pink to reddish brown bark exfoliates to reveal lighter inner bark.
Below learn how to identify tree borers and get info on treatment.
In later stages of infestation the trunk will show d shaped rust stained exit holes.
But healthy trees aren t off.
Generally the bronze birch borer is the.
Wood eating beetles do exactly as their name describes they eat away at the river birch betula nigra leaving behind a damaged and unhealthy tree.
The river birch has not yet reached the popularity of many maples and oaks but it is well on its way.
This species is resistant to bronze birch borer bbb.
The bronze birch borer is the most threatening pest of ornamental birch especially white barked varieties and trees under stress.
The four wood boring insects mentioned below attack a wide range of trees.
Dark green foliage turns a beautiful buttery yellow in the fall.
The species is valued for its relatively rapid growth tolerance of wetness and some drought unique curling bark spreading limbs and relative resistance to birch borer.
The bronze birch borer typically attacks trees which are already stressed or in decline.
River birch is a popular fast growing native tree for the home landscape.