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ODOROUS HOUSE ANT (Tapinoma sessile)

Key Biology

  • One flattened node, flat and hidden by abdomen
  • Monomorphic
  • 1/32 inch, very small ant
  • Uneven thorax
  • 12 segments on antenna
  • No circle of hairs on tip of abdomen
  • Brown to black
  • Workers given off rotten coconut odor when crushed

Distribution

  • Omnivorous, but prefer sweet foods and honeydew
  • When crushed has a sweetish, nauseating, rotten pineapple or rancid butter scent
  • Sometimes found under foundations, in crevices of walls, often a house pest
  • Under bark of trees, in tree cavities, in bird and animal nests, on patios, porches, under logs, rocks and in mulch and debris
  • On beaches, wooded environments
  • In wall voids, near warm areas in homes like water heaters and pipes