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Monomorium pharaonis
Egg to adult in 38-45 days at room temperature. Strictly relies on 'budding' (splitting the colony) rather than mating flights. A single colony can split into dozens if threatened—a major control challenge.
Prefer proteins and fats. Will feed on grease, sweets, dead insects, and even IV solutions in hospitals.
Exclusively indoors in Canada. Nest in warm, humid voids near food and water: wall cavities, under floors, in equipment.
Follow walls, counters, and baseboards in thin lines. Most active at night.
Check under sinks, around toilets, near dishwashers and refrigerators.
Unlike other ants, pharaoh ants maintain several simultaneous trails.
Found in electrical outlets, behind wallpaper, inside appliances.
Found in heated buildings nationwide. Cannot survive Canadian winters outdoors.
Active year-round indoors. No outdoor swarming in Canada.
This pest is commonly found in these home types
Shared walls and utility chases allow colonies to spread building-wide. Coordinated treatment essential.
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Party walls enable colony spread between units. Budding can quickly affect entire row.
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Multiple floor levels with utility penetrations create pathways. Warm, humid bathroom conditions attract nesting.
View house details →Baiting is the ONLY effective method. Sprays cause colony budding, spreading the infestation. Professional baiting programs take 2-4 weeks but eliminate colonies completely.
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