Carpenter Ants

Carpenter Ant Treatment Methods

1. Baiting

  • Find the trail
  • Apply both sweet and a protein bait to the trail
  • Carpenter ants go on both sweet and protein cycles so it is important to treat for both

-Why bait?

  • only treating indoors
  • can not spray around the perimeter of your structure
  • easy to apply

2. Spraying Non-Repellent Insecticides

  • apply to the perimeter of your structure
  • two feet up and two feet out from the base your structure
  • apply around any entry point (door frame, window sill, AC unit, etc.)

-Why spray?

  • the most effective at eliminating and preventing Carpenter Ant problem
  • Longer residual

3. Hollow Spaces and Walls

  • look for damage in areas such as window sills, hollow doors, behind baseboards and other hollow areas
  • drill holes (2-6 feet) on either side of nest and apply your dust, aerosol or foam
  • do not use insecticides in voids

Recommended Treatment

Carpenter Ant Identification


  • Dark brown to black 
    • Except for Florida Carpenter Ant. Ranges from black, brown, yellow, to red in color.
  • large in size (1/4-3/8 inch)
  • more active at night


  • moist environments such as rotting or damp wood
  • hollowed out wood (hollow door)
  • window sills
  • facia boards

Geographic Location

  • Most of US
  • Florida Carpenter Ants
    • Southeast Coastal Plain of US
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