Scientists find new colony structure of fire ants evolved in one species before spreading to others

Scientists from Queen Mary University of London have discovered that a new form of ant society spread across species. They found that after the new form of society evolved in one species, a “social supergene” carrying the instruction-set for the new social form spread into other species. This spread occurred through hybridisation, i.e., breeding between ants of different species. This unlikely event provides an alternate way of life, making the ants more successful than if they only had the original social form.