The caterpillar of any of several South Asian moths of the family Limacodidae, especially Parasa lepida and Natada nararia, which has stinging hairs and is a pest of the tea plant.
Origin
Late 19th century.
Definition of nettle grub in US English:
nettle grub
noun
The caterpillar of any of several South Asian moths of the family Limacodidae, especially Parasa lepida and Natada nararia, which has stinging hairs and is a pest of the tea plant.