The Collaborative International Dictionary
Cacaecia rosaceana
Roseworm \Rose"worm`\, n. (Zo["o]l.) The larva of any one of several species of lepidopterous insects which feed upon the leaves, buds, or blossoms of the rose, especially Cac[ae]cia rosaceana, which rolls up the leaves for a nest, and devours both the leaves and buds.