What is the opening on the abdomen of the tawny crazy ant that sprays out formic acid?

The opening on the abdomen of the tawny crazy ant that sprays out formic acid is known as the acidopore. This specialized structure allows the ant to expel formic acid, which serves as a defensive mechanism against predators and rivals. The ability to spray this chemical helps the tawny crazy ant protect itself and its colony in various situations.