Black Carpenter Ant

Black Carpenter Ant Image

Actual Size:

1/8″ to 0.5″


Carpenter Ants are amongst the largest ants in the U.S. They are commonly black, however some may be brown.


  • A single queen resides in a secluded nest where she continuously breeds worker ants.
  • Colonies range up to 15,000 ants and they may produce satellite colonies.
  • Carpenter ants prefer to nest and excavate water-damaged wood.
  • Heavy carpenter ant activity in the home usually indicates a moisture problem within the structure.
  • On the outside, they may be present on railroad ties, woodpiles, and the base of trees.
  • Carpenter ants do not eat wood, but prefer sugar solutions, especially honeydew produced by aphids.