Its chest is wider than the abdomen, and the abdomen gradually narrows from the base to the end.Its nymphae is identical to adult in shape, but smaller in size, and infant nymphae has no scales.
主要出现在有淀粉的场所，除危
粮食、食物外，常啮食图书、期刊、纸张、档案等。
Its chest is wider than the abdomen, and the abdomen gradually narrows from the base to the end.Its nymphae is identical to adult in shape, but smaller in size, and infant nymphae has no scales.
主要出现在有淀粉的场所，除危粮食、食物外，常啮食图书、期刊、纸张、档案等。
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