The first thing you notice is a crumb from your midnight cherry pie raid has sprouted legs and is moving across the kitchen counter. What was last night's cast off is now a feast for a family of ants. Ants can be common pests in homes. Damage from ants varies.
Most ants are primarily a nuisance and cause little damage.
Carpenter ants can weaken wood in structures. However unlike termites ants nest in wood but do not eat wood. Generally there are no disease problems associated with ants. Ants have a wide range of nesting habits and food preferences. Proper identification is important in determining control measures.