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UC IPM Home > Antkey > One Node, Thorax

How to Manage Pests

Key to Identifying Common Household Ants


Click on the illustration that best resembles your ant

From petiole with 1 node

Thorax smooth and rounded
  
Thorax uneven
Thorax smooth and evenly rounded when viewed from the side; large, up to 1/2-inch long   Thorax uneven in shape when viewed from the side; small, 1/8-inch long

Statewide IPM Program, Agriculture and Natural Resources, University of California
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