Pavement ants like to nest next to and under sidewalks and other types of slabs. They often enter buildings through expansion joints in slabs. Application of insecticides through these cracks may help in controlling the colony beneath. In severe infestations, a slab floor may need to be drilled and treated by pumping chemical underneath with a specially equipped sprayer. Outside perimeter treatments are helpful in preventing reinfestation.
Crazy ants are one of the most difficult ants to control in structures.
Their colonies are often numerous and they are aggresive foragers. Perimeter treatments with a liquid insecticide are helpful where crazy ant colonies are abundant outdoors. Baits are not effective against crazy ants. Odorous house ants get their name from the fact that the workers give off a distinct odor, smelling like rotten coconuts, when crushed. They commonly build shallow nests in soil under items such as stones, logs, patio blocks, and debris.