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The metathorax is the posterior segment of an insect's thorax. Insects have a body divided into three main parts: the head, the thorax, and the abdomen. The thorax itself is composed of three segments: the prothorax, mesothorax, and metathorax. Each thoracic segment typically bears a pair of legs, and in adult insects, the mesothorax and metathorax usually have a pair of wings. The metathorax is the rearmost of these three segments.1234

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