roseworm

from The Century Dictionary.

• noun The larva of a common tortricid moth, Cacœcia rosaceana, which folds the leaves of the rose and skeletonizes them.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) The larva of any one of several species of lepidopterous insects which feed upon the leaves, buds, or blossoms of the rose, especially Cacæcia rosaceana, which rolls up the leaves for a nest, and devours both the leaves and buds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The larva of any of several species of lepidopterous insects that feed upon the leaves, buds, or blossoms of the rose.