 The Madagascar hissing cockroach is only one member of a group of roaches that can hiss; this exact mode of sound production is atypical, as most insects that make sound do so by rubbing together various body parts ("stridulation"), such as legs.Some long-horned beetles, e.g., the giant Fijian long-horned beetle, hiss by squeezing air out from under their elytra, but this does not involve the spiracles.In hissing roaches, the hiss takes three forms