Typically between 2.2 and 2.8 mm long, Argentine ants are experts in squeezing into small places. Mulch and other ground debris are among their favorite habitats, and they can expand rapidly. Just ten ants can start new colonies that will quickly number in the thousands. The ants are omnivores and will eat almost anything they can find on under leaves and brush, but prefer sweet foods. To prevent their rapid spread from taking over your home, contact pest control professionals in Indianapolis, IN for help.