Several moth species are known as skeletonizer, including: ...
• (n.) Any small moth whose larva eats the parenchyma of leaves, leaving the skeleton; as, the apple-leaf skeletonizer.
Skel'e·ton·i`zer noun (Zoology) Any small moth whose larva eats the parenchyma of leaves, leaving the skeleton; as, the apple-leaf skeletonizer .