Posted on


The orifice at the tip of the gaster of ants of the subfamily Formicinae and diagnostic for that sub­family. This short nozzle-like structure is generally fringed with a circle of stiff hairs (setae) at its apex. It is used to expel formic acid for defense, the cir­clet of hairs aiding in the rapid evaporation of this substance.

Leave a Reply

Your email address will not be published. Required fields are marked *