I agree with Mr. Bush. They shouldn't be an issue as long as you have a strong colony. A quick story as to how I inadvertantly killed my ant invaders, a couple weeks ago I decided that I wanted to permanently kill some tall weeds and high grass near my hive, throwing excessive amounts of weed and feed around not only killed the weeds and high grass, but killed off the ants I had coming into my hive. The bees were not affected at all. Two problems solved.