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leaf miner

or leafminer

any of the larvae of any of numerous insects, as moths of the family Gracilariidae, that live in and feed on the parenchyma of leaves.
Origin of leaf miner
1820-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for leaf-miner
Historical Examples
  • Bud caterpillars, the leaf-miner or split-worm and the Tobacco flea beetle are minute beetles which attack it.

    Tobacco Leaves W. A. Brennan
  • These so-called "leaf-miner" caterpillars make white irregularly-winding tunnels between the upper and the lower skin of the leaf.

    The Romance of Plant Life G. F. Scott Elliot
British Dictionary definitions for leaf-miner

leaf miner

any of various insect larvae that bore into and feed on leaf tissue, esp the larva of dipterous flies of the genus Philophylla (family Trypetidae) and the caterpillar of moths of the family Gracillariidae
the adult insect of any of these larvae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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