Honeydew, rarely other sweets. In soil under stones, logs, bricks, patio blocks, concrete and other concealed areas. They also can nest in rotting wood. Yellow ants can nest in and around foundation walls and in soil under buildings on slab construction. Workers may be seen throwing out dirt or cement particles, but they do not damage masonry or wood.
Swarms are also common during winter if ants are nesting under heated concrete slabs.
Control winged yellow ants by physical means, e.g. with a vacuum, or by hand. Detection of yellow ants nesting under concrete slabs is difficult and control is rarely practical or justified. Pharaoh Ants, Monomorium pharaonis Pharaoh ants are an imported species, probably from the tropical regions of Africa. They have readily spread through the world along commerce routes. Although they can nest in any heated building in the north central states, Pharaoh ants are most commonly found in hospitals, nursing homes, schools, and apartments.