The larvae feed on "Croton cascarilla". In early 2016 the "Cascarilla" was damaged in a grounding. Other common names include White Croton, Cascarilla, Native Cascarilla and Queensland Cascarilla. Cascarilla bark is also used to flavour the liqueurs Campari and Vermouth. Cascarilla ("C. eluteria") bark is used to flavour the liquor Campari and Vermouth. Some of the more common ingredients are cascarilla, cassia, gentian, orange peel, and cinchona bark.