aphides

Sap passes right through the aphides' bodies, only getting a little thicker and sweeter.

汁液直接流过蚜虫的身体, 结果只是变得更稠、更甜。

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，出现无个体，被称为无型。