The Biggest Living Ant
The biggest living ant in the world today is the Queen Driver Ant which can grow up to 5 cm in length (1.96 inches).
Dorylus, also known as Driver Ants, Safari Ants, or Siafu, is a large genus of army ants found primarily in central and east Africa, [source].
The Biggest Ant Ever
The biggest fossil of an ant, Titanomyrma, was 6 cm (2.36 inches) in length [source]. This prehistoric queen had a wingspan of 15 cm (5.9 inches).
Other Big Ants
The female Giant Amazonian Ant can grow to 4 cm (1.6 inches) in total body length [source].
The Giant Bull Ant can also grow up to 4 cm (1.6 inches) [source].
The Bullet Ant can get up to 3 cm (1.18 inches) [source].
Most species of ants are only .5 – 1.5 cm (.19 – .59 inches) in length [source].