The four wood boring insects mentioned below attack a wide range of trees.
River birch tree borers.
Dark green foliage turns a beautiful buttery yellow in the fall.
The river birch has not yet reached the popularity of many maples and oaks but it is well on its way.
The bronze birch borer typically attacks trees which are already stressed or in decline.
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.
In later stages of infestation the trunk will show d shaped rust stained exit holes.
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.
This species is resistant to bronze birch borer bbb.
River birch is a popular fast growing native tree for the home landscape.
Below learn how to identify tree borers and get info on treatment.
Generally the bronze birch borer is the.
But as a landscape tree it can be planted almost anywhere in the u s.
Attractive salmon pink to reddish brown bark exfoliates to reveal lighter inner bark.
Early warning signs of damage are a yellowing and thinning of foliage at the upper crown of the tree and d shaped holes in the trunk where the borer larvae have made entry.