Any of various socialinsectsof the family Formicidae, characteristically having wingsonly in the malesandfertilefemales and livingincolonies that have acomplexsocial organization.
From tiny leptanilline ants that look like a dusting of pepper to Australia's 5cm (2-inch) bulldog ants, the weight of the Formicidae family is equal to that of the world's population of humans and accounts for 10% of the biomass of all the creatures on the planet.
