Complex sentence: The common name is derived from the "Dryandra" shrubs of the genus "Banksia", on which the larva of this species feed, and is hence restricted to the south-west of Western Australia where the these shrubs grow.
Split into simpler sentences: The common name is derived from the "Dryandra" shrubs of the genus "Banksia", on which the larva of this species feed. It is restricted to the south-west of Western Australia, where the "Dryandra" shrubs grow.