Pharaoh Ant

Scientific Name: Monomorium pharaonis

Order & Family: Order: Hymenoptera, Family: Formicidae

Size: Commonly 1.5 to 2 millimeters (about 1/16 inch) in length

Pharaoh Ant

Natural Habitat

Typically found indoors in climate-controlled buildings, nesting in wall voids, behind baseboards, and under floorboards.

Diet & Feeding

Opportunistic omnivores that consume proteins, carbohydrates, and fats, including sugary spills, pet food, and dead insects.

Behavior Patterns

Highly social insects known for multi-queen colonies that expand through budding; they are primarily nocturnal and form long foraging trails.

Risks & Benefits

Significant indoor pests that can spread pathogens such as Salmonella and Streptococcus; they are also difficult to eradicate as common pesticides cause them to split colonies.

Identified on: 6/21/2026