1. In some species, such as aphids, the flightless morph lacks wings and is called the apterous morph.
   一些昆虫种类，如蚜虫，出现无翅个体，被称为无翅型。
2. Compared with virginoparae, the genetic relationship between fundatrix and the first generation of virginoparae (apterous) produced by fundatrix (apterous) was much close.
   ③干母和干雌的遗传关系很近,但孤雌蚜已与二者有分化.

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