The term 'Tropical Ant' refers to the species of ant known as ATTA, which is found in tropical regions. ATTA is a genus of ants that are native to Central and South America, and are known for their large colonies and complex social structures. They are also known for their leaf-cutting behavior, where they cut pieces of leaves and use them to create nests. ATTA ants are considered to be one of the most successful species of ants in terms of their ability to adapt to different environments.