Hissing cockroach coloring pages

Dec 15 2019

As the common name suggests, the Madagascar hissing cockroach is characterized by their hissing sound, which is produced when they forcefully expel air through the specially-adapted respiratory openings (spiracles) on the fourth segment of their body, though spiracles are found on all segments of their abdomen. 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: the disturbance hiss, the female-attracting hiss, and the aggressive fighting hiss. All cockroaches from the fourth instar (fourth molting cycle) and older are capable of the disturbance hiss. Only males use the female-attracting hiss and fighting hiss; the latter is used when challenged by other males (males will establish a dominance hierarchy, and a submissive male will back down to end a fight). The hissing makes them a popular pet.

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