The biggest ant species in the world today is the African driver ant, which measure more than 4 cm long. The biggest ant ever discovered was the formicium giganteum, now extinct, they measured at 5.5 cm long and had a wingspan of 13 cm!
The largest ant species are African Driver Ants, which measure in at more than 4 cm long. The largest ant to be discovered was a fossilized ant of what is now an extinct species, the Titanomyrma giganteum. It was around 2.4 inches in length and had a wingspan that was almost 6 in wide.