Pest Guides

Odorous House Ant

Tapinoma sessile


Image of Odorous House Ant [Tapinoma sessile] | Ehrlich Pest Control
  • Brown or black.
  • 1/16 to 1/8 inch long
  • Antennae have 12 segments and are not terminated with a club
  • 6 legs.


  • Time to adult phase of development is 34-38 days.
  • Typically live for several years.


  • Feeding - eat most household foods, especially sugary food, eg sweets and fruits such as melon. Also eat pet food.
  • Locations – attracted to moisture. In hot, dry environments nests can be found in house plants and even lids of toilets.
  • Odor - produce a coconut smell when crushed.
  • Colonies - range in size from 100-10,000.

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