Which ant species is known for nesting in wood?

The carpenter ant is known for nesting in wood, making it the correct answer. These ants are particularly notable for their ability to excavate and create extensive galleries within wood, which they do not consume but rather use as a site for their nests. Unlike termites, which can cause significant damage by feeding on wood, carpenter ants are more concerned with creating a suitable habitat. They are often found in decaying or water-damaged wood, as well as in structures like homes and buildings, which can lead to structural issues over time if not managed properly. Understanding the behavior and nesting habits of carpenter ants is crucial for effective pest management strategies.

Other species, such as fire ants, leafcutter ants, and army ants, have different nesting preferences and behaviors. Fire ants typically build mounds in soil rather than nesting in wood. Leafcutter ants tend to create their nests in the ground and are known for their unique method of cutting leaves to cultivate fungi. Army ants live in temporary nests and are highly mobile, foraging for food in colonies. These differences highlight why the carpenter ant is distinctively recognized for its wood-nesting tendencies.