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Mark the wrong statement about Periplaneta americana.

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Stigmata are present in the last two tagmata

Stigmata are present in the last two segments of the second tagmata

Stigmata are absent in the last two segments of the last tagmata

Stigmata of the last tagmata are open during inspiration

answer is D.

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Stigmata of the last tagmata (abdominal spiracles) are open during expiration and closed during inspiration

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