Stridulation is the act of producing sound by rubbing together certain body parts. ... Common onomatopoeic words for the sounds produced by stridulation include chirp and chirrup.

What is the meaning of stridulation?

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

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.