cactoblastis

The most famous successful example was the introduction of the gray moth, Cactoblastis cactorum, into Australia to control the prickly pear, Opuntia inermis, which was overrunning vast tracts of land.

这其中的例子就是把一种灰色的蛾子-仙人掌螟Cactoblastiscactorum引入澳大利亚来控制那里经泛滥一时的一种仙人掌Opuntiainermis。