随着美洲大蠊卵荚历期的增加，啊氏啮小蜂发育历期逐渐缩短。

Development period of the parasitoids was shortened when hostal egg age rised.

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首先，德国小蠊在生殖结构上，它的每个卵荚含有的卵比其它物种要多得多。

First, the German cockroach has a larger number of eggs per capsule than the other species that infest structures.

youdao

首先，德国小蠊在生殖结构上，它的每个卵荚含有的卵比其它物种要多得多。

First, the German cockroach has a larger number of eggs per capsule than the other species that infest structures.

youdao