The predaceous syrphid fly , episyrphus balteatus de geer is one of the significant predators for the control of aphides 黑带食蚜蝇episyrphusbalteatusdegeer幼虫是控制多种蚜虫的主要天敌之一。
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Safe for the moment from predaceous leopard seals , chinstrap penguins are the second most abundant species in antarctica and the sub - antarctic 为了安全免受海豹的攻击,南极企鹅是第二类盛产于南极洲或亚南极区。
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Protective resemblance is far commoner among animals than aggressive resemblance , in correspondence with the fact that predaceous forms are as a rule much larger and much less numerous than their prey 在动物中保护性的行为远比侵略性的行为更加普遍,通常相比较而言,食肉性动物要比他们的猎物要大得多、数量也少得多。
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Protective resemblance is far commoner among animals than aggressive resemblance , in correspondence with the fact that predaceous forms are as a rule much larger and much less numerous than their prey 保护性模仿远比侵犯行模仿要普遍得多,这是和下述的情况想配合的:食肉的(形式)动物,按惯律总是比他们捕食的对象要大而且多得多。