In experimental populations, mortalities of the 5th instar larvae and pupae were higher than those of instars at initial stages.
实验种群中初期死亡率较低，5龄幼虫和蛹的死亡率较高。
In experimental populations, mortalities of the 5th instar larvae and pupae were higher than those of instars at initial stages.
实验种群中初期死亡率较低，5龄幼虫和蛹的死亡率较高。
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