Pest Library

Acrobat Ants

Crematogaster species

Small ants that raise their heart-shaped abdomen up over their body when disturbed — a distinctive acrobatic pose — and often move into wood already softened by moisture or previous termite and carpenter-ant activity.

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How to identify them

Acrobat ants are small and range from light brown to black. Their signature feature is a heart-shaped (valentine) abdomen that they lift up and over the rest of the body when threatened, held aloft as they move — unlike any other common house-invading ant. Up close, the waist has two nodes.

Behavior and biology in South Florida

Acrobat ants typically nest outdoors in trees, stumps, and moist soil, but they readily move into structures — especially wood that has been softened by leaks, or galleries abandoned by termites and carpenter ants. They will also nest in foam insulation and wall voids.

They tend honeydew-producing insects for sugar and will forage indoors for sweets and proteins. When trailing along wires and utility lines into a building, they sometimes strip insulation, and they can deliver a mild bite or sting if handled.

Signs of an infestation

  • Small ants with abdomens raised over their bodies along trails
  • Ant activity around known leak areas, window frames, or old termite damage
  • Bits of foam, wood, and debris (“frass”) pushed from nest openings
  • Trails following utility lines and wiring into the structure

Why they are a problem

While acrobat ants do not cause the primary structural damage themselves, their presence often flags a bigger issue: hidden moisture or existing wood damage that drew them in. Indoors they contaminate food and, along wiring, can occasionally cause electrical faults.

How Bugsy’s treats acrobat ants

Our technicians locate the nest — frequently in damaged or damp wood — and treat it directly, then apply a non-repellent perimeter and target trailing routes along utility lines. Because acrobat ants exploit moisture damage, we point out the underlying leaks or compromised wood that should be corrected so the problem does not simply return.

Preventing acrobat ants

  • Fix roof, plumbing, and A/C leaks that soften wood
  • Replace water-damaged wood, trim, and fascia
  • Cut back tree limbs and shrubs touching the roof and walls
  • Seal gaps where wires, pipes, and cables enter the home
  • Keep firewood and lumber off the ground and away from the structure

At a glance

Heart-shaped abdomenNests in damaged woodHoneydew feederCan bite

Quick facts

Size1/16 to 1/8 inch (2-3 mm)
ColorLight brown to black
Bite or stingCan bite; mild sting
AbdomenHeart-shaped, raised when alarmed
NestsMoisture-damaged wood, voids, foam
Peak activitySpring through fall

Ants that lift their tails when you disturb them?

Acrobat ants often signal hidden moisture damage. Get a free inspection to find the source.

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Educational information for South Florida homeowners. Identification and treatment are confirmed by a licensed Bugsy’s technician on site.

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