insect predator

例句：

1. 1. The insect predator is a key to controlling the population of pests.
   昆虫捕食者是控制害虫数量的关键。
2. 2. The insect predator has been found to be effective in reducing the number of mosquitoes.
   昆虫捕食者被发现能有效减少蚊子的数量。
3. 3. The insect predator plays an important role in maintaining the ecological balance.
   昆虫捕食者在维护生态平衡中起着重要作用。