These ants are suspected of having come into Texas on a cargo ship years ago, they are not killable with over-the-counter poisons, and their colonies have multiple queens. What could be worse? They eat/swarm electronics and cause short circuits. Upside, they also eat fire ants! Wierd, huh ?
Read more here:
http://urbanentomology.tamu.edu/ants/exotic_tx.cfm