'Megathymus yuccae' definitions:

Definition of 'Megathymus yuccae'

From: GCIDE
  • Yucca borer \Yuc"ca bor`er\ (a) A California boring weevil (Yuccaborus frontalis). (b) A large mothlike butterfly (Megathymus yuccae) of the family Megatimidae, whose larva bores in yucca roots. [Webster 1913 Suppl.]