Scientists have created monster ants from ordinary ones by using a special hormone on the larvae of ordinary worker ants to create monster "supersoldiers."
Supersoldier ants can be born naturally but are rare, and occur in Mexican and US deserts, where they’ve evolved to protect their colonies from invading ants.
The Telegraph quotes Canadian researcher Rajendhran Rajakumar as saying, "We uncovered an ancestral development potential to produce a novel supersoldier subcaste that has been retained throughout a hyperdiverse ant genus that evolved 35 to 60 million years ago." In other words, these ants are PREHISTORIC.
Didn’t know that some ants are farmers, did you? Leafcutter ants, that live in New World tropical forests, harvest fresh leaves and "plant" them deep underground, in order to grow a nutrient-rich fungus as food. In fact, the leafcutter can’t survive without it.
Over many generations, the ants have gotten rid of genes they no longer need due to their lifestyle–kind of like farmers refusing to marry their kids to city folks. Researcher Garret Suen says, "Presumably, the ants have lost these genes because of their dependency on the fungus. They don’t need these proteins kicking around any more."