Why do sone cockroaches have only one pair of wings
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They have two pair of wings
The wings are fixed to the second and third parts of the thoracic. The tegmina, or first pair of wings, is sturdy and defensive, lying on top of the membranous hind wings that are used in flight as a shield. Note: Cockroach is a nocturnal insect that can spread a number of illnesses.
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