Pharaoh Ant
Scientific Name: Monomorium pharaonis
Order & Family: Hymenoptera: Formicidae
Size: 1.5 to 2 mm (very small)

Natural Habitat
Nests in warm, humid areas indoors such as voids in walls, underneath floors, or within furniture. They are a common pest in hospitals, hotels, and apartment buildings.
Diet & Feeding
Omnivorous; feeds on sweets, fats, proteins, and other insects. They show a preference for syrups, fruit juices, honey, and meat.
Behavior Patterns
Polygynous (multiple queens per colony). They form large colonies and are known for 'budding,' where a portion of the colony migrates to start a new nest, making control difficult.
Risks & Benefits
Risks: Major nuisance pest; can contaminate food and sterile environments (like hospitals) by spreading pathogens such as Salmonella and Staphylococcus. Difficult to eradicate due to budding behavior.
Identified on: 2/25/2026