HOW IS THE CRICKETS' SOUND MADE?

Crickets are related to katydids (family Tettigoniidae), which are nocturnal insects comprising about 6,000 different species. Another name given to katydids is bushcrickets; you can identify katydids and long-horned grasshoppers by their threadlike antennae, thick ovipositor (the structure used for laying eggs at the females’ posterior) and large hind legs.

Crickets are related to katydids (family Tettigoniidae), comprising of about 6,000 different species
Brown cricket
Katydids are also called bushcrickets, katydid bugs or long-horned grasshoppers
Bush cricket, typical of sierra de Madrid

Crickets and katydids make species-specific calls to mark out territory, attracting mates or for defensive purposes against predators. They produce their characteristic sound or rasping song by rubbing the ridged forewings together.

Katydids make species-specific calls to mark out territory and attract mates.
Katydid
Green katydid on a leaf. They produce their characteristic sound or rasping song by rubbing the forewings together, one of which is ridged.
Green katydid

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