Legionary ant belongs to the subfamily of Dorylinae and they are known for their aggressive hunting techniques. These ants are also commonly called army ants, due to their high level of organization and teamwork while hunting. Some of the synonyms for legionary ant include warrior ant, soldier ant, marauder ant, and raider ant. These ants can form a colony of up to one million individuals and they will migrate to find food. When they move, they form a long trail called a swarm, and can be seen crossing vast distances with their impressive swarm behavior. Their teamwork and pack mentality make them a formidable force in the insect world.