Bug Identifier
Pavement Ant
Community identification

Pavement Ant

Tetramorium caespitum

Order & Family
Hymenoptera: Formicidae
Size
Workers: 2.5 mm to 4 mm (0.10 to 0.16 inches)
See this bug in the Encyclopedia

Natural Habitat

Found commonly in urban and suburban areas, nesting under pavement, concrete slabs, rocks, and building foundations.

Diet & Feeding

Omnivorous; feeds on seeds, sweet honeydew, grease, dead insects, crumbs, and human food scraps.

Behavior Patterns

Form large, highly organized colonies. Known for engaging in territorial spring 'wars' with neighboring colonies along sidewalk cracks.

Risks & Benefits

Benefits: Helps aerate soil, scavenges waste, and controls populations of other small pest insects. Risks: Can become a nuisance indoor pest when foraging for food, though they rarely bite humans and do not cause structural damage.