grubworm
/ˈɡrʌbˌwɜrm/
noun
- The soft, thick, wormlike larva of an insect, especially a beetle, that lives in soil or decaying matter.
- Grubworms can damage the roots of grass if there are too many in the lawn.
- The gardener found a white grubworm under the rotting log.
- Birds pecked at the soil to pull out grubworms for food.