General Info
  • Mounds are built by worker ants who excavate soil to build the colony
  • Most species do not sting or directly harm humans or pets
Where They Nest
  • Many ants other than fire ants build their colonies under dirt mounds
  • These mounds are located in lawns, mulch areas, and along sidewalks, patios, decks, and the foundation
What They Want From You
  • Food, food spills, and moisture (found in the sink, shower, leaky pipes, spills, etc.)
Why They Are A Problem
  • Their mounds can be unsightly in your landscape and they often kill the surrounding grass
  • Mound-building ants that you see outside may eventually come inside in search of food and water
Tips & Tricks
  • Remove debris (wood, rocks, stones) close to the foundation of your home where ants may build a colony
  • Caulk any points where ants enter into wall voids, cracks, and crevices including entry points from the outside


Mound-Ant size bar

1/8 to 3/8 inch long


Commonly Mistaken for

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