1) Agricultural pest insect 
A leaf miner is the larva of an insect that lives in and eats the leaf tissue of plants. The vast majority of leaf-mining insects are moths (Lepidoptera), sawflies (Symphyta) and flies (Diptera), though beetles and wasps also exhibit this behavior. Like Woodboring beetles, leaf miners are protected from many predators and plant defenses by feeding...
any of a number of insect larvae that live and feed within a leaf. Leaf miners include caterpillars (order Lepidoptera), sawfly larvae (order ... [1 related articles]
An insect which lives in and feeds upon the cells between the upper and lower epidermis of a leaf; these being larvae of Agromyzidae (Diptera), Lyonetiidae and Gracillariidae (Lepidoptera) Hispidae (Coleoptera) etc.
[n] - any of various small moths or dipterous flies whose larvae burrow into and feed on leaf tissue especially of the family Gracilariidae
the larvae of an insect living between the upper and lower surfaces of a leaf.
The larvae of certain moths and flies which live in the laminations of a leaf. They leave lighter coloured patches or trails as they eat the tissue.
leaf-miner noun any of various small moths or dipterous flies whose larvae burrow into and feed on leaf tissue especially of the family Gracilariidae
an insect, usually in its larval stage, that uses its mouthparts to create a tunnel between the upper an lower surfaces of a leaf.
insect larva that lives between the top and bottom surfaces of a leaf; discolored areas on the surface of the leaf demonstrate the leaf miner's presence