Argentine ants.

Argentine ants form massive colonies and are known for displacing other ant species as they invade homes and yards. Discover how to identify their trails, understand their behavior, and manage their rapid spread.

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Learn more about argentine ants.

Argentine ants are a common household pest, often entering structures in search of food or water. Attempting to escape flooded nests or humid weather, Argentine ants are likely to find shelter in your home. Though they often live under your home, it's always a good idea to apply a professional pest control barrier to prevent the expansion of their colonization.

Argentine ants can be found in Australia, Europe, South Africa, Hawaii, Mexico, and the U.S. including Colorado, North and South Carolina. For help with the identification or removal of ants, give our pest experts a call for your free inspection!

Pest identification: Argentine ant
Size1/8 in.
ColorDark to light
Body structureHead, thorax, and abdomen with a single node on the pedicel connecting the thorax and abdomen.
CharacteristicsArgentine ants are social insects that reside in colonies with multiple nests. They are not aggressive toward neighboring colonies, allowing populations to grow rapidly.
Habitat & behaviorCommonly nest in mulch, soil, under debris, or rocks, about 1–2 inches below the surface. Indoors, they can be found in wall voids, insulation, or near pipes. They feed on insects and honeydew outdoors, and sugary food indoors.
Commonly activeSpring / Summer / Fall
Prevention & treatmentKeep food areas free from residue, especially sugary items. Bait with boric acid may work if properly dosed, but incorrect use can cause treatment failure. For best results, hire a pest control professional to address infestations.
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