Most information is gleaned from the observations of ant behavior aboveground. Winged reproductive ants typically swarm in the spring but have been known to emerge any time of the year in heated structures. It is not uncommon to see swarming in late fall and into February even in colder climates. After emergence, the ants mate and the queens burrow into the soil to begin laying eggs. Most colonies are located under sidewalks, building slabs, and large rocks.
Ants enter buildings through cracks in foundation walls and interior slabs.
It is common to see sand piles and small soil particles in structures near cracks in concrete slabs or at the top of foundation walls where the ants deposit debris from excavated nests. Similar piles are seen in the warmer months at the cracks in sidewalks. Pavement ants feed on a wide variety of food. Sweets, including sugar, nectar, fruits, and syrups are readily taken. Grease, dead insects, and small seeds also are collected and stored in the nest.