I’ve had ants in my kitchen for at least a month. I normally put Terro out for ants, and they’re gone in three days. This colony won’t touch Terro. I’ve gotten several other brands of bait. They aren’t working either. These ants are grease eaters – no sweets for them. I keep looking for bait designed for grease eating ants, but I don’t see any. So I decided to try making my own.
Borax is the suggested poison for ants (and cockroaches). I’m not sure what it does to them, but whatever it is, it takes a while. They go back to their colony and feed others, then die. The benefit is that the queen gets it. If she dies: game over.
I didn’t have any bacon grease or bits of meat around the house, so I decided to try cat food. I’ve seen them picking at cat food before. I crushed some up, mixed in the borax, and put it out on the counter:
Set it out: