In some species, such as aphids, the flightless morph lacks wings and is called the apterous morph.
一些昆种类,如蚜,出现无翅,称为无翅型。
In some species, such as aphids, the flightless morph lacks wings and is called the apterous morph.
一些昆种类,如蚜,出现无翅,称为无翅型。
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