ant control - PJ Mac Pest Control
Anyone seeing a persistent trail indoors, or large black ants around window frames and roof lines.

Ant Control, Including Carpenter Ants

Which ant it is changes everything. Carpenter ants excavate structural timber; pavement ants are a nuisance. The same spray does not deal with both.

Frass means the galleries are already inside the wood

Carpenter ants do not eat timber, they excavate it to nest. Coarse sawdust-like frass on a sill means active galleries inside the member, not ants passing over it.

Call (267) 291-6056 and describe what you are seeing
A large black carpenter ant on damp weathered wood trim with a small pile of frass beside it
A large black carpenter ant on damp weathered wood trim with a small pile of frass beside it
A trail of small ants following the caulk line where a kitchen counter meets the wall
A trail of small ants following the caulk line where a kitchen counter meets the wall
Coarse sawdust-like frass fallen onto a windowsill below a painted wooden frame
Coarse sawdust-like frass fallen onto a windowsill below a painted wooden frame
A rotten section of fascia board behind a leaking gutter joint
A rotten section of fascia board behind a leaking gutter joint
A line of ants crossing a paver patio joint toward a mulch bed
A line of ants crossing a paver patio joint toward a mulch bed
The service

Ant Control

Which ant it is changes everything. Carpenter ants excavate structural timber; pavement ants are a nuisance. The same spray does not deal with both.

The first question is always the species. Carpenter ants nest inside wood, preferring timber that has been damp at some point, and over time they hollow out galleries that weaken it. Pavement ants nest outdoors under slabs and paths and come inside to forage. Odorous house ants do much the same and are often mistaken for something worse. The damage potential, and therefore the treatment, is completely different.

A visible trail is useful information rather than the problem itself. Ants follow chemical trails to a resource, so the line of ants across a worktop is a route to something, and following it back is how the nest gets located. Spraying the trail removes the visible ants and leaves the nest producing more, which is why the same trail reappears in the same place days later.

For carpenter ants the inspection also looks for the moisture that made the timber attractive in the first place: a leaking gutter line, a failed flashing, a deck ledger board, a window sill that has been wet for years. Treating the ants without addressing that tends to buy a season rather than a solution.

Who it is for

Anyone seeing a persistent trail indoors, or large black ants around window frames and roof lines..

What you get

  • Species identified before treatment, because carpenter ants and pavement ants need different work
  • Trails followed back toward the nest rather than sprayed where they are seen
  • Moisture sources checked where carpenter ants are involved
  • Exterior treated as well as interior, since most nests are outside the wall

Serving Ardmore, Berwyn, Blue Bell, Broomall, Bryn Mawr, Collegeville, Glen Mills, Horsham, King of Prussia, Malvern, Media, Newtown Square, Paoli, Springfield, Wayne. Call to book an inspection.

PJ Mac Pest Control

102 E Montgomery Ave #212, Ardmore

675 Lancaster Ave #52, Berwyn

581 Skippack Pike #201, Blue Bell

600 Reed Rd #452a, Broomall

40 Morris Ave #152, Bryn Mawr

372 E Main St #104, Collegeville

262 Baltimore Pike #100, Glen Mills

400 Horsham Rd #500, Horsham

501 Allendale Rd #123, King of Prussia

16 E King St #100, Malvern

117 Gayley St #236, Media

3475 West Chester Pike #125b, Newtown Square

21 Plank Ave #204, Paoli

905 W Sproul Rd #301, Springfield

418 E Lancaster Ave #100, Wayne

(267) 291-6056

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Quality control you can trust

Request ant control

Call the office and tell us what you are seeing. We will book your inspection, usually the same day.

Call (267) 291-6056

Ask for your free inspection when you call.

Find out which ant you actually have

Call the office nearest you for an inspection.

Good to know

Questions, answered

How do I know if they are carpenter ants?

Carpenter ants are large, usually black, and often seen individually rather than in dense trails. The clearer sign is coarse shavings that look like sawdust below a small opening in timber or trim, sometimes mixed with insect fragments. If you are finding that, it is worth an inspection because they nest in wood rather than just walking across it.

Why do the ants come back to the same spot?

Because the nest was never the thing that was treated. Ants follow a chemical trail to a food or moisture source, so removing the visible ants leaves both the trail and the colony intact. Treatment that works targets the colony, which means locating it first.

Are ants a sign of a damp problem?

They can be, particularly carpenter ants, which favour timber that has been wet. Finding them around a window frame, a roof edge or a deck ledger is often the first sign of a leak that has been going on quietly. The inspection covers that as well as the ants.