Pro-Max Pest Control

Pharaoh Ants treatment in Chicago

Tiny yellow ants that split their colony when sprayed. Baiting is the only correct approach.

Pharaoh ants are very small — around 2mm — and pale yellow to light brown. They are one of the hardest ants to control in a building, and one of the easiest to make worse.

The critical thing about pharaoh ants is budding. Spray them with a repellent product and the colony splits, with satellite groups scattering into new voids across the building. A single colony can become a dozen. This is why over-the-counter sprays reliably turn a small pharaoh ant problem into a large one.

They nest in warm, humid, inaccessible voids — wall cavities, behind appliances, in insulation, around pipe runs. In apartment buildings, hospitals and restaurants they move freely through the whole structure.

The correct treatment is targeted baiting, placed where the ants actually forage, left alone long enough for the workers to carry it back to the queens. It takes patience and it works.

Signs you have pharaoh ants

  • Very small pale yellow or light brown ants
  • Trails along countertops, sinks, and pipe runs
  • Ants appearing in multiple rooms at once rather than one entry point
  • Activity concentrated near heat and moisture sources

How we treat them

  • Positive identification — pharaoh ants are routinely misidentified
  • Strictly non-repellent, bait-led protocol to prevent budding
  • Bait placement mapped to actual foraging trails
  • Building-wide coordination in multi-unit properties
  • Scheduled monitoring until trails go quiet

Common questions

Why shouldn't I just spray them?

Spraying causes the colony to bud — it splits and scatters into new nesting sites throughout the building. You end up with several infestations instead of one.

How long does baiting take?

Expect a few weeks. The bait has to be carried back and distributed to the queens, and there is usually more than one queen. Rushing it is what breaks it.

Other pests we treat

Dealing with pharaoh ants?

Free site estimate anywhere in Chicagoland. See a pest within 2 weeks of our service and we come back free.