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.
River birch tree borers.
Generally the bronze birch borer is the.
The river birch has not yet reached the popularity of many maples and oaks but it is well on its way.
Usually native borers like the bronze birch borer seek out trees that are already stressed i e by drought disease or maybe a pruning injury.
But as a landscape tree it can be planted almost anywhere in the u s.
Dark green foliage turns a beautiful buttery yellow in the fall.
The four wood boring insects mentioned below attack a wide range of trees.
In later stages of infestation the trunk will show d shaped rust stained exit holes.
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.
But healthy trees aren t off.
This species is resistant to bronze birch borer bbb.
Below learn how to identify tree borers and get info on treatment.
The bronze birch borer typically attacks trees which are already stressed or in decline.
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.
The bronze birch borer is the most threatening pest of ornamental birch especially white barked varieties and trees under stress.