Redbuds – Ambrosia Beetles
![AAB trap 1 | Walter Reeves: The Georgia Gardener](https://t9e4s3i5.rocketcdn.me/wp-content/uploads/2020/03/AAB-trap-1-e1519323209625-600x800.jpg)
Q: We have two large redbuds. One is in serious trouble due to ambrosia beetles; I sprayed it in late April with insecticide. Now I notice the other has “sawdust toothpicks”. Would a systemic treatment help?
A: Sad to say, there are no systemic insecticides that will kill Asian ambrosia beetles once they are in a tree. The insects are simply too deep for surface or systemic insecticides to hurt them. I have details on homeowner preventative sprays and making a monitoring trap at Ambrosia Beetle Trap.