Leaf Cutter Ants are a constant battle around here but I've never seen this before. You powder their holes and they usually just move a little way or a long way and they'll be back in a few weeks. These guys made their nest underneath my sidewalk so hard to notice their holes and no large excavation mounds. I noticed them yesterday, put powder on them and this is what I found this morning.
Literally thousands dead
Put down a little new powder
