leaf miner definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of various insect larvae, esp. of small moths and flies, that burrow into and eat the soft tissues of leaves and green stems
leaf miner definition by American Heritage Dictionary
Any of numerous small flies and moths that in the larval stage dig into and feed on leaf tissue.