What sound does the cricket make?

When male adults of the genus Cricket sing, their heads face the cave, and a pair of cortical compound wings are lifted upward, which are separated from the soft back and membranous hind wings of the body, rubbing against each other and making a singing sound. When crickets make sounds through friction, the cave is like a resonator, which can amplify the chirping.

Some insects can communicate with each other by rubbing their wings or appendages with special structures. This phenomenon is called friction vocalization. Most male crickets rely on a pair of hard leathery front wings (also called compound wings, wing sleeves or wing sheaths) for their frictional vocalization. There is a thick vein in the center of each pair of compound wings, and there are serrated protrusions arranged in a comb shape on the vein, like a file, so some people call it a sound file.

The extended data is at the trailing edge of the composite wing, which has a scraping structure called a scraper. When the cricket chirps, it will lift its compound wing to a certain angle and scrape the sound file of the other summer wing with a compound wing scraper rhythmically.

There is a thick ossification membrane in the middle of the compound wing, which plays a role in resonance and amplification. The space formed between the composite wing and the body wall, like an airbag, also plays the role of resonance and volume expansion. In addition, some kinds of crickets also use caves to increase their size. Most female crickets don't have these frictional vocal structures, so they can't sing.