And yes, aphids are animals.

是的，蚜虫也是动物。

The immobilized aphids quickly died.

被粘住的蚜虫很快死亡。

There must be aphids somewhere around.

这附近一定有芽虫。

Aphids do fatal damage to the young shoots.

蚜虫对幼苗会造成极大危害。

Ladybugs love to snack on aphids and other pests.

瓢虫喜欢吃蚜虫以及其它害虫。