Carpenter Ants vs. Termites: How to Tell the Difference
Visual ID, damage patterns, and why both need professional treatment.
Carpenter ants and termites both damage wood inside your home — but they're entirely different insects requiring different treatments. Misidentifying them wastes money and lets the actual problem progress.
Visual differences
Carpenter ants: black or red, segmented body with a thin waist, elbowed antennae, and wings of unequal length. Workers are 1/4" to 5/8" long.
Termites (swarmers): pale or translucent, straight-sided body with no visible waist, straight antennae, and four wings of equal length. Most often spotted as swarms in spring near windows or light fixtures.
Damage patterns
Carpenter ants tunnel through wood but don't eat it — they push out sawdust-like 'frass' that accumulates below their nests. Galleries are smooth, clean, and follow wood grain.
Termites eat the wood and pack tunnels with mud. Damage often appears intact from outside but is hollow when tapped. Look for mud tubes on foundation walls and floor joists.
Treatment differs significantly
Carpenter ants: $250-$650 for treatment, typically baits and direct nest treatment. Often single visit. Termites: $1,500-$3,500 for treatment via liquid barrier or bait stations. Annual monitoring contract recommended.