Fire Ant

Look for compact dome-shaped mounds in sunny or disturbed areas of the yard (lawns, garden beds, under stumps and rock borders). Worker ants are 2.4–6 mm long, reddish to dark brown; winged reproductives appear in spring/summer nuptial flights. Unlike some ants, fire ant mounds often have no obvious surface hole — ants tunnel downward from the mound.

New or expanding soil mounds, multiple small satellite mounds, increased reports of stings from family members or pets, daytime foraging ants on sidewalks and patios, and winged ants during warm spring/summer evenings.

Professionals use an integrated approach: a thorough property inspection to locate mounds and satellite nests; broadcast or spot baiting with slow-acting toxicants timed to foraging behavior; targeted mound drenches for rapid knockdown where needed; perimeter treatments and insect growth regulators in heavily infested sites; and scheduled follow-ups to suppress re-emergence. In Asheville’s cooler mountain climate, timing treatments for warm, active periods improves bait uptake. Technicians also combine habitat modification advice to reduce re-colonization.

1) Repair irrigation and reduce overwatering—moist, compacted soil attracts nests. 2) Eliminate debris piles, firewood stacked on the ground, and excessive mulch near foundations and porches. 3) Keep playgrounds, pet areas and high-traffic yards free of exposed soil and trim ground-cover that shelters nests. 4) Maintain healthy turf to reduce bare soil patches where colonies start. 5) Inspect incoming soil, mulch and nursery plants for ants before bringing them onto the property. 6) Seal small gaps in foundations and check around patios and utility boxes. 7) If you see one mound, search for nearby satellite mounds—treat promptly and consider professional follow-up.

Prefer sunny, well-drained to moderately compacted soils: lawns, playgrounds, pastures, landscaped beds, edges of driveways and foundations, compost piles, under rocks and logs, and inside utility vaults or electrical boxes where warmth and shelter are available.

Fire ants are established in Western North Carolina, with concentrated presence in Asheville’s lower-elevation neighborhoods, river valleys, and disturbed construction or landscaped sites. Cooler mountain ridges suppress populations somewhat, but urban heat islands, landscaped yards, and milder winters have allowed local populations and hybrid colonies to persist and expand.