To identify leaf miner injury tear the leaf in two across the injury.
The leaf miner also represents an additional factor contributing to spreading the canker at a faster pace.
Varieties with larger leaflets are more preferred by the leaf miner than those with small leaflets.
Effect of some organic insecticides on the population levels of the serpentine leaf miner and its parasites.
British Dictionary definitions for 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