Also revealed by the nest entrances of Pachycondyla tarsata is their diet of insects and other arthropods, seen as skeletal remains. Food remains appear also in the debris nests in tree crevices of some semi-arboreal species of Pheidole . Diet related modifications abound. General carnivores such as many ponerines have simple but powerful mandibles. Others with long mandibles are Leptogenys , Plectroctena and Psalidomyrmex .
Ants are well known for their well-developed systems of communication.