Moisture Ant

Actual Size: ⅛ inch long

Characteristics: Yellow to dark brown

Legs: 6

Antennae: Yes

Wings: Swarmers or reproductives have wings

Habitat: Prefer damp, decaying wood sources inside or outside


  • When crushed, moisture ants release a citrus odor.
  • Moisture ants get their name from the fact that they require moisture to survive.
  • Decaying and rotting wood are primary locations for moisture ants to construct a nest.

Moisture Ants in Nevada

Moisture ants are wood invaders and colonies usually occur in decayed logs and stumps, but some may be found in soil. They feed on sweet materials, attend aphids for honeydew. These ants are not a primary structural pest, but they can speed the deterioration of wood. They also become a nuisance as they enter homes in search of food. Frequently associated with decayed and rotting wood, moisture ants can invade homes and structures. 

Moisture Ant Habitat

Moisture ants construct galleries in rotting wood within which they feed. As their name implies, moisture ants prefer to live in damp and humid environments. Outside, these ants like to inhabit wet areas such as soil or rotting wood. These ants are continually confused with carpenter ants. However, these are small ants; carpenter ants are usually large. Inside homes, these ants are often discovered behind walls, especially during renovations. 

Moisture Ant Behaviors, Threats or Dangers

Moisture ants can bite, however, their bite is generally painless. However, unlike carpenter ants, moisture ants will eat damp wood as a food source. These ants thrive in walls around plumbing fixture leaks, roof leaks, and any other source of water that has made wood damp. They will also eat sugary substances, which makes them an even greater threat to homes and businesses. Swarming occurs in spring and is one of the most common signs of moisture ants in the area. If left unchecked, moisture ants will continue growing their colony. If you suspect a moisture ant infestation, contact a licensed ant exterminator.