Pharaoh Ant (Monomorium pharaonis)
Pharaoh Ant (Monomorium pharaonis)
Difficult to Eliminate • Major Multi-Unit Housing Pest in CT
Pharaoh Ant – Connecticut Identification & Control Challenges
The pharaoh ant is one of the most difficult ants to control in Connecticut, especially in multi-unit apartment buildings. These tiny, yellowish ants form massive colonies that can split into multiple satellite colonies when stressed — a behavior called “budding.”
Identification:
- Size: Very small (1/16 inch)
- Color: Yellow to light brown
- Features: Darker abdomen tip
- Behavior: Slow, methodical movement
Because they prefer warmth, they often nest inside walls.
Behavior & Habitat:
Pharaoh ants prefer:
- High indoor heat
- Kitchens and bathrooms
- Electrical outlets
- Baseboards
- Voids behind cabinets
They feed on sweets, proteins, and grease.
Why They Are a Problem in Connecticut:
They are common in:
- Apartment buildings
- Schools
- Nursing homes
- Hospitals
Spraying these ants is a major mistake — it causes colonies to split and spread.
Signs of Infestation:
- Tiny yellow ants trailing along walls
- Foraging near sinks
- Activity around outlets
- Infestations in multiple rooms
When to Call a Professional:
Pharaoh ants require professional baiting strategies, not sprays.
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