intransitive verb. : to make a shrill creaking noise by rubbing together special bodily structures —used especially of male insects (such as crickets or grasshoppers)

What is a stridulation biology?

Stridulation is the act of producing sound by rubbing together certain body parts. This behavior is mostly associated with insects, but other animals are known to do this as well, such as a number of species of fish, snakes and spiders.

What is the purpose of stridulation?

Katydids use several different forms of communication. One of these forms is called stridulation and is characterized by the rubbing together of the insect's wings to create sound waves. These sound waves convey specific types of information and are detected by members of the same species.