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Pharaoh ants are one of the most difficult ant species to control. Below are detailed answers to the most common questions we receive about pharaoh ant infestations, treatment, and prevention.
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Pharaoh ants are very small ants, typically yellow to light brown, measuring about 2 mm long. They are known for nesting indoors and forming multiple colonies, which makes them extremely difficult to eliminate without professional treatment.
Pharaoh ants:
Create multiple nests instead of one main colony
Spread quickly through walls, outlets, and plumbing lines
Split into new colonies when disturbed (called budding)
Do not respond well to sprays or DIY products
Incorrect treatment often makes the infestation worse.
❌ No. Spraying pharaoh ants can cause the colony to split and spread to new areas.
Store-bought sprays, foggers, and ant bombs often increase infestation size by forcing ants to relocate and form new colonies.
Our treatment uses non-repellent methods, allowing ants to move naturally through treated areas. This helps transfer the treatment throughout the colony instead of pushing ants deeper into walls or new units.
Yes, but bait is a secondary option, not the primary method.
When needed, professional non-gel ant baits are strategically placed in active foraging areas. These baits are carried back and shared within the colony, helping reduce queens and brood over time.
Proper preparation allows our technicians to:
Access nesting and travel areas
Apply treatments correctly
Improve effectiveness and speed of control
Reduce the need for additional visits
Preparation is usually required only for the first visit. Follow-up treatments typically require little to no preparation.
Pharaoh ant control is a process, not a one-time treatment.
Some activity changes may occur within days
Noticeable reduction often occurs within 1–2 weeks
Complete control may take multiple visits, especially in apartments or commercial buildings
Seeing increased activity after treatment is normal and expected.
This means ants are actively moving through treated areas and interacting with the treatment, which helps spread it through the colony.
Pharaoh ants rarely bite, but they are considered a sanitation pest. They can contaminate food, surfaces, and sensitive environments such as kitchens, hospitals, and food facilities.
Yes. Pharaoh ants are very common in multi-unit buildings because they travel between units through:
Plumbing lines
Electrical conduits
Wall voids
Hallways and common areas
Building-wide coordination is often recommended for long-term success.
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Yes. When applied professionally and according to label directions, treatments are designed to be safe when instructions are followed. Our technician will provide specific safety and re-entry guidance during service.
In many cases, no. Pharaoh ant infestations often require:
Follow-up visits
Monitoring and adjustments
Ongoing prevention measures
Severe or building-wide infestations usually require a structured program.
Keep food sealed and surfaces clean
Reduce moisture and fix leaks
Avoid spraying ants
Follow technician instructions
Report activity early
Prevention is key to long-term control.
Houses & Condos
Apartments & High-Rise Units
Restaurants & Commercial Kitchens
Hotels & Hospitality Properties
Offices & Retail Locations
If activity persists beyond 2 weeks, contact us. Follow-up visits may be required to continue colony reduction and adjust treatment strategies.
If you’re unsure about any step, contact us before treatment.
📞 Call (587) 500-8857 or Email info@pestproexterminator.ca
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Stop recurring ant infestations with expert pharaoh ant control. Book a professional inspection today.
Call our 24/7 hotline at 1(833) 579-0860 - or - Text/Call at (587)500-8857
Pest Pro Exterminator – Pharaoh Ant Removal – Serving Calgary & Surrounding Areas
All our pharaoh ant treatment technicians are fully licensed applicators in the province of Alberta.
Pest Pro Exterminator follows industry best practices and maintains high standards of safety, professionalism, and service quality.
Our Calgary pharaoh ant removal professional pest control technician brings decades of combined experience to every job.