What is a group of Ants called?

A group of ants is commonly called an Army. Other collective nouns you may see include Colony and Soviet.

Collective nouns are words used to describe a group of living beings or things. For ants, these remarkable social insects, there are a few unique collective nouns that aptly capture the complex social structure and bustling activity they exhibit. One familiar and widely found collective noun for ants is a "colony." A colony denotes the entire ant community including the female worker ants, the male ants, and the highly important queen ants. It represents the fundamental unit of organization for ants, comprising individuals working collectively to ensure the survival and success of the entire group. Furthermore, "swarm" serves as another collective noun for ants in specific situations. A swarm typically refers to a large group of flying ants that take to the air during mating and nuptial flights, forming a spectacular movement of intertwined ants searching for their respective partners. It represents a temporary formation as mating occurs, and after this stage, the ants disperse to create new colonies. An intriguing collective noun related to ants is an "army," which conveys the formidable and organized nature of certain ant species. Army ants, commonly found in tropical regions, move in coordinated columns while searching for food and play an essential role in consuming other arthropods. Their impressive numbers and teamwork make them resemble a disciplined army on the march. Moreover, some people refer to groups of ants as a "troupe" or a "legion." These adjectives evoke a sense of collaboration and unity among ants, highlighting their cooperation and collective power when tackling challenges such as finding food or defending their territory. These various collective nouns embody the diverse facets of ants' behavior, emphasizing their teamwork, resilience, and social structure striving towards a common goal—an existence that showcases the strength of unity among these fascinating insects.