codling moth

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A small grayish moth (Cydia pomonella) whose larvae are destructive to various fruits, especially apples.

from The Century Dictionary.

• noun The Carpocapsa pomonella (Linnæus), a common and widespread pest of apple-orchards.

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

• noun A small moth, Cydia pomonella, whose larvae (the apple worms) are destructive to apples and other fruit

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a small grey moth whose larvae live in apples and English walnuts