The largest ant in the world is the bull ant.

The bull ant is a species of ant that lives in Queensland and northern New South Wales, Australia. It is recognized by the entomological community as the largest ant in the world. The worker ants of this rare ant species can reach a maximum size of 3.7 cm.

Because the bull ant has a long upper jaw, although it is large, it is not very bulky. The smallest ant is a thief ant, whose workers are only 0.15-0.26 cm long. In tropical forests around the world, there lives a kind of blind carnivorous army ant that can be called the overlord of the insect world.

The smallest ant in the world is:

The smallest ant in the world is a thief ant, which is only 0.15-0.26 cm long. In tropical forests around the world, there exists a kind of blind carnivorous army ant that can be called the overlord of the insect world.

When a team of 11,000 to 100,000 army ants marches, any animal that dares to stay on its way will die, except for a few stink beetles. It is said that army ants can kill an army ant. The comatose python and the tethered sheep were eaten down to their skeletons in a matter of hours.