Bug Identifier
Pharaoh Ant
Community identification

Pharaoh Ant

Monomorium pharaonis

Order & Family
Order: Hymenoptera, Family: Formicidae
Size
1.5 to 2.0 mm (workers)
See this bug in the Encyclopedia

Natural Habitat

Indoors within wall voids, behind baseboards, under insulation, and near moisture sources in temperate climates; outdoors in tropical areas.

Diet & Feeding

Omnivorous; feeds on sweets, proteins, and fats including syrups, jellies, grease, and dead insects.

Behavior Patterns

Forms large colonies with multiple queens and uses a process called budding to start new nests when disturbed. They are primarily nocturnal and follow well-established pheromone trails.

Risks & Benefits

Significant indoor pest; known for mechanical transmission of pathogens like Salmonella and Streptococcus in hospitals. They do not sting but can be difficult to eradicate due to colony splitting.