We had pharaoh ants for a long time. Whatever you do, DO NOT SPRAY THEM. If you do, they will divide the colonies and come back later in hoards. Use bait traps

We had pharaoh ants for a long time. Whatever you do, DO NOT SPRAY THEM. If you do, they will divide the colonies and come back later in hoards. Use bait traps, so that once the scouts regurgitate food into the other ants they all for together.