Ants

Thief ants: identification & thief ant control

Also known as: grease ants, sugar ants

Thief ants are among the smallest household ants and prefer grease and protein over sugar, which is why sugar baits fail. We use protein-based baiting and treat the tight cracks where they nest.

Line of black ants marching on a kitchen counter

How to identify thief ants

What it looks like
Extremely small pale yellow to light brown ants with a two-segmented antennal club.
Size
1/32 to 1/16 inch
Where you'll find it
Cabinet cracks, wall voids, under counters and inside other ants' nests.
Commonly confused with
Pharaoh ants are slightly larger with a three-segmented club.

Signs of thief ants in your home

  • Barely visible ants on greasy surfaces
  • Trails to meat, cheese and pet food
  • Ants ignoring sweet baits

Thief ants questions homeowners ask

Why won't my ant bait work?

Thief ants prefer grease and protein — sweet gel baits are ignored, so a protein bait is required.

Thief ant control by city

Local technicians handle thief ants in every market below — pick your city for neighborhood coverage, seasonal notes and a free quote.

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