To keep themselves and their nests clean, ants have evolved some interesting housekeeping strategies. Some types of ants actually have toilets — or at least something we might call toilets. Their ...

While Asian needle ants were first discovered in the U.S. in 1932, the ants have been on the move and are now being found throughout the Southeast and other regions.

As the ants do not swarm like fire ants, stings are usually isolated instances. Some people are allergic to Asian needle ants and could react similarly to someone with a bee allergy if stung.

Officials in Fukuoka, Japan, search for fire ants after a few were discovered, in 2017. The country is waging a war against the exotic ants, trying to prevent them from becoming established.

While Asian needle ants were first discovered in the U.S. in 1932, the ants have been on the move and are now being found throughout the Southeast and other regions.

While Asian needle ants were first discovered in the U.S. in 1932, the ants have been on the move and are now being found throughout the Southeast and other regions.

While Asian needle ants were first discovered in the U.S. in 1932, the ants have been on the move and are now being found throughout the Southeast and other regions.