How to Get Rid of Ants in Your South Florida Home
If ants keep coming back no matter how much you spray, the problem is not the trail you see on the counter. It is the colony you cannot see, usually nesting in a wall void, a potted plant, or the moist soil along your slab. Kill the trail and the colony simply sends more workers. To stop ants for good in South Florida, you have to treat the nest, and that almost always means baiting rather than spraying.
Know which ant you are fighting
Three species cause most of the calls we get across Broward and Miami-Dade. Identifying yours matters because each one nests and feeds differently.
- Ghost ants: tiny, pale-legged ants with a dark head that swarm kitchens and bathrooms. They love moisture and sweets, and a single colony has many nests, so they spread fast.
- Argentine ants: small brown ants that travel in heavy trails outdoors and form huge connected supercolonies. They follow water lines and foundation cracks straight indoors.
- Carpenter ants: large black or reddish ants that hollow out damp or damaged wood to nest. They do not eat the wood like termites, but they tunnel through it, often around leaks, soffits, and old fascia.
Why over-the-counter sprays make it worse
Most aerosol and barrier sprays from the hardware store are repellents. They kill the ants you hit, but the survivors detect the chemical and split the colony, scattering into new satellite nests. This is called budding, and it is exactly why a sprayed colony often becomes several smaller ones over the following weeks. Ghost ants and Argentine ants are especially prone to it. You feel like you are winning because the visible ants vanish for a day or two, then trails reappear in new rooms.
Baiting the colony is what works
The reliable fix is a slow-acting bait the workers carry back and share with the queens and brood through the colony. Because it kills slowly, foragers have time to spread it before they die. The trade-off is patience: you may see more ants at first as they recruit to the bait, and full control can take one to three weeks. During that window it is important not to spray the trails, since killing the carriers stops the bait from reaching the nest.
A few habits make any treatment hold longer:
- Fix dripping faucets, AC condensation lines, and damp spots that draw ghost and Argentine ants.
- Wipe up sugar and grease, and store sweets in sealed containers.
- Trim shrubs and branches off the roof and walls so ants cannot bridge inside.
- Seal gaps around pipes, windows, and the slab edge where trails enter.
If the trails keep returning, or you spot carpenter ants near wood that has seen past leaks, let us identify the species and bait it correctly the first time. Priority Pest Control is licensed and insured and serves Sunrise and the surrounding South Florida communities. Call us at (954) 530-5667 or book a free inspection and we will end the trail at its source.