Pavement ant identification (Tetramorium immigrans)


Insect identifier · Ants, bees, and wasps

How to identify a Pavement ant

Tetramorium immigrans
· Also called sidewalk ant, tetramorium

Pavement ant identification photo

People searching “what does a pavement ant look like” or “pavement ant bite” want a field ID, not a scare. Pavement ant (Tetramorium immigrans) is a ants bees wasps in this guide. Also called sidewalk ant, tetramorium.

Ants boiling out of a sidewalk crack are pavement ants, not fire ants.

What does a pavement ant look like?

Pavement ant is Small, about 3 mm. Colors people notice: brown, black. Field marks: Nest in pavement cracks; Dark brown; Slow trails.

Pavement ant is Small, about 3 mm. Colors people notice: brown, black. Field marks: Nest in pavement cracks; Dark brown; Slow trails. If the marks fail, open the look-alike pages before forcing this name.

Identification marks

  • Nest in pavement cracks
  • Dark brown
  • Slow trails

Size: Small, about 3 mm
Colors: brown, black
Where: both

What a typical pavement ant bite looks like

Typical pavement ant bite or sting
A typical pattern. Reactions vary. This is a guide photo, not a diagnosis.

Minor sting if you stand on a nest. No white pustules. Brush them off Ice if stung

Minor sting if you stand on a nest. No white pustules. Fever, spreading redness, or trouble breathing needs a clinician.

If you were bitten

  1. Brush them off
  2. Ice if stung
  3. Seal cracks if they trail indoors

Pavement ant vs Red imported fire ant

Crack in a northern sidewalk = pavement ant. Fluffy lawn mound in the South = fire ant.

Range and season

Pavement ant is active warm months. Typical places: yard, sidewalk, house. Common sidewalk ant. Small mounds in cracks. A sting is minor. Not a fire ant.

Sidewalks and foundations, especially the North and West Coast.

Common sidewalk ant. Small mounds in cracks. A sting is minor. Not a fire ant.

Warm months

Common questions

Pavement ant vs fire ant?

Pavement ants are small, dark, and nest in cracks. They do not make fluffy mounds or next-day pustules.

Related identification pages