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Fire ant

Solenopsis invicta

Reddish ants in loose soil mounds. Swarm and sting when disturbed.

Reference photo of reddish-brown fire ants on excavated sandy soil
SeasonYear-round, mounds surge after rain
WhereYards and lawns
RiskPainful stings

How to tell

  • Copper-red head and thorax with a darker abdomen, in mixed sizes within one colony.
  • Mounds are loose domes of worked soil with no visible central opening.
  • Disturb a mound and workers pour out and climb rather than scatter.
  • Stings leave a white pustule after a day, which distinguishes them from most other ant bites.

Where you'll find it

  • Open sunny turf, especially along driveway and sidewalk edges.
  • Around irrigation boxes and utility covers where soil stays damp.
  • Under pavers and the edge of a pool deck.

Why it matters

Fire ants sting repeatedly and defend the mound as a group, which is a real problem in a yard used by children or pets. They also damage irrigation and electrical boxes by packing them with soil.

How Strike treats it

We broadcast a bait across the treated turf so foraging workers carry it back to the queen, then treat individual mounds directly for faster knockdown. Bait timing matters — it goes down when the ground is dry and ants are actively foraging. New mounds can appear from neighboring properties, so yards on a recurring plan get mound checks at each visit.

What you can do before we arrive

  • Do not water the lawn for a day before and after treatment.
  • Do not disturb or flood mounds — that scatters the colony into satellites.
  • Flag mounds near play areas so we treat those first.
  • Keep pets off treated turf until it has dried.

Dealing with fire ant?

Call or send a request and we'll confirm your window within one business day.

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