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leaf miner

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leaf miner

Any of various insect larvae that live and feed within a leaf, including caterpillars, sawfly larvae, beetle and weevil grubs, and dipteran maggots. Most leaf-miner burrows or tunnels are either thin, winding, whitish trails or broad, whitish or brownish blotches. Though leaf miners do not usually cause injury, they mar the appearance of ornamental trees and shrubs. One method of control is to remove and burn infested leaves; spraying with nicotine solutions or dusting with insecticides is effective only when the adults are emerging.


leaf miner [′lēf ‚mīn·ər]
(invertebrate zoology)
Any of the larvae of various insects which burrow into and eat the parenchyma of leaves.


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In recent years a number of devastating problems have hit our chestnuts including a Bleeding Canker that gradually kills the tree, a scale insect that spreads rapidly and a leaf miner that has come to us from Southern Europe over the last 8 years.
It has quite a few pests, including the elm leaf beetle, elm bark beetle and elm leaf miner.
The Woodland Trust has predicted that an early crop of conkers could be damaged by the horse chestnut leaf miner moth which is drying out leaves and turning them brown.
 
 
 
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