Swarmers in spring can be either. Here is how an inspector tells.
Kitchens, walls and yards
Ant exterminator: name the ant, then treat the colony
Calling an ant exterminator makes sense when a trail keeps returning or when the ants are coming out of the walls. The first thing a good technician does is name the species, because the treatment that clears one kind of ant can make another kind spread through the house.
Call (844) 307-8876The line is for people who own the home. Yard fire ant work depends on what local providers offer.
Reviewed September 24, 2026. Facts on this page are linked to their public sources at the bottom.
Ant control starts with the species
Most household ants look alike from across the kitchen. Up close they differ in size, color and habits, and the differences decide the treatment.
| Ant | How to recognize it | Usual approach |
|---|---|---|
| Odorous house ant | Small, dark brown; smells like rotten coconut when crushed | Baits indoors, perimeter treatment outside |
| Pavement ant | Small, dark; little piles of soil along slab and sidewalk cracks | Baits and treatment along the slab edges |
| Carpenter ant | Large, often black or red and black; coarse sawdust near wood | Find and treat the nest; fix the moisture that attracted it |
| Pharaoh ant | Tiny, pale yellow; appears in bathrooms, kitchens, around outlets | Baits only; sprays split the colony |
| Argentine ant | Small, light brown; very long, busy trails | Outdoor baiting and perimeter work over several visits |
| Fire ant | Reddish; mounds in the lawn; painful stings | Yard bait plus mound treatment, where the species occurs |
Carpenter ant control follows the moisture
Carpenter ants do not eat wood. They excavate it to nest, and they strongly prefer wood that is already damp or softened: a leaking window frame, a sill plate near a wet crawl space, a roof valley that has been dripping into the attic. The piles of coarse shavings they push out, sometimes mixed with insect parts, are the clue to where the nest is. Large colonies often run a main nest outdoors in a stump or tree with satellite nests inside the house.
Treatment goes to the nests, with dust or foam placed into the galleries and baits for the workers, but the lasting fix is drying out the wood that drew them in. If winged insects came out of a wall in spring, get them identified: carpenter ant swarmers and termite swarmers are easy to confuse, and the termite inspection guide explains how an inspector tells them apart.
Ant pest control for colonies inside the walls
Some ants nest inside the house itself, in wall voids, under floors and behind cabinets. Pharaoh ants are the classic problem: when a colony is stressed by a repellent spray it can bud, with a queen and workers walking off to start a new nest elsewhere in the building. The result of spraying is more colonies, not fewer. Odorous house ants and Argentine ants can behave similarly, with many queens and many nests linked together. For all of these, an ant exterminator uses slow-acting baits and patience, and asks you not to spray.
Fire ant control in the yard
Red imported fire ants are established across much of the South, and parts of the country are under a federal quarantine that limits moving soil, sod and nursery stock out of infested areas. Their mounds show up in lawns after rain, and their stings are painful and can be dangerous for people with allergies. Yard treatment usually combines a bait spread over the whole lawn, which foraging workers carry home, with direct treatment of mounds close to the house, repeated in the active season. Keep children and pets away from mounds until treatment is done.
Ant control: baits versus sprays
Baits and sprays do different jobs. A bait is a food mixed with a slow-acting insecticide; workers eat it and share it through the colony until it reaches the queens. A spray kills what it touches. For a trail across the counter, the spray feels satisfying and changes nothing, because the colony simply sends more workers. Professionals use sprays at the outside of the house, where they stop ants from crossing in, and baits inside, where they reach the colony. Mixing the two indoors undermines the bait.
Ant exterminator near me: before the visit
Worth doing
- Follow one trail as far as you can, inside and out, and note where it disappears.
- Wipe up sweets and grease so the bait is the main food on offer, but leave the trail itself alone.
- Stop using sprays for a few days before the visit.
- Check for leaks under sinks and around windows: moisture is what keeps many ants nesting indoors.
Ants: what homeowners ask
Why do the ants keep coming back after I spray the trail?
Because the trail is the delivery route, not the colony. Killing the workers on the counter leaves the queens and the nest untouched, and the colony sends more. Worse, repellent sprays can split some species into new colonies. Baits work because workers carry them back to the nest.
How do I tell carpenter ants from termites?
Winged carpenter ants have a pinched waist, bent antennae and front wings longer than the back ones; winged termites have a straight waist, straight antennae and four wings of equal length. Carpenter ants leave coarse sawdust-like shavings; termites leave mud tubes or, for drywood termites, small pellets. If in doubt, a termite inspection settles it.
How long does ant bait take to work?
Usually days to a couple of weeks. Bait is slow on purpose so workers live long enough to share it through the colony. Seeing more ants at the bait for the first day or two is a sign it is being taken, not that it failed.
Are fire ants something an exterminator treats?
Yes, in the states where they live. Fire ant work is usually a yard treatment: a bait spread over the whole lawn plus direct treatment of mounds near the house, repeated in season. Stings are a real risk for people with allergies, so do not disturb mounds while waiting for treatment.
Can one visit fix an ant problem?
For a small colony of a common house ant, often yes, with a follow-up check. Carpenter ants, Argentine ants and pharaoh ants usually need more than one visit because their colonies are large, spread out or have many queens.