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Odorous House Ant
Identification & Control
(Tapinoma sessile)
Small ants best known for the smell they leave behind.
Associated Species
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Explore Similar Pests
Physical Appearance
- Small, dark brown to black ants
- Often form long, steady trails indoors
- Quick to re-route when disturbed
Common Locations
- Wall voids, under floors, near moisture sources
- Behind baseboards and inside cabinets
- Outdoor nests near foundations
Why They're a Problem
They’re persistent because colonies can split into multiple satellite nests. Killing visible ants doesn’t eliminate the problem. If the colony structure isn’t addressed, they tend to keep reappearing.
Homeowner Tips
They’re persistent because colonies can split into multiple satellite nests. Killing visible ants doesn’t eliminate the problem. If the colony structure isn’t addressed, they tend to keep reappearing.
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Odorous House Ant
Ants
- Small, dark brown to black ants
- Often form long, steady trails indoors
- Quick to re-route when disturbed
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