Key Takeaways Fire ant colonies build mounds on the soil’s surface, a sign of their network of underground tunnels.Fire ants sting repeatedly when they feel threatened, making colony removal necessary ...

Two formica thatching ants or field ants on a dried brown leaf - David Havel/Shutterstock Ants: They're creepy, they're crawly, and they're generally a nuisance. They can also be tough to get rid of, ...