Bob from Tennessee writes
Yes, Bifen IT will help control carpenter bees when it is applied to surfaces where the carpenter bees land. We also recommend dusting the carpenter bee holes with an insecticide dust such as Delta Dust to help kill any larva inside. Do not plug the holes for at least 30 days after dusting to prevent the developing larva from drilling a new hole to exit.
Please view our Carpenter Bee Treatment Guide for more information
Answer last updated on: 05/24/2021