Prevent Problems

Remove attractive food and water sources and plug up entryways that allow ants to commute from their outdoor nests into your home. Spraying pesticides only provides temporary relief—ants will return after the pesticide has worn off. Sealing entryways and eliminating food provides a more long-term solution.

Remove pet food that may attract ants or place in a moat of water.

  • Survey your house indoors and out to see where ants are coming in.
  • Check window frames and doors, electrical conduits, plumbing fixtures, walls, foundations and the roof.
  • Keep plants, organic mulch, debris, and moisture at least 12 inches away from buildings.
  • Remove food sources or keep them in sealed containers. Sweet liquids and greasy foods are especially attractive.
  • Fix leaking faucets.
  • Remove or control sweet food sources next to your house such as aphid-infested bushes and ripened fruit on trees.
  • Keep garbage containers as far away from the house as possible and keep ants out of them as well.

Caulk cracks and crevices that provide entry points both inside and out.

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More Info

For more information, see the University of California IPM Ant page.