Translation of "grub" into Chinese

The wasp uses its metal tool to drill deep into tree trunks to lay eggs on or in the bodies of host grubs.

姬蜂运用它那金属造的工具钻进树干,然后在寄主幼虫身上或体内产卵。

At night they descend to the forest floor, where they feed mainly on herbs and grubs.

难怪它们能够在树林过着无拘无束的生活。 到了晚上,它们会回到森林的地面,找一些草和蛴螬作食物。