birch leaf miner
- noun
- /bɜrʧ liːf ˈmaɪnər/
- UK
- Most pesticides are ineffective once the birch leaf miner larvae are inside the leaves.
Examples
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Gardeners are advised to monitor their trees for signs of birch leaf miner infestation.
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The birch leaf miner is causing damage to many trees.
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The birch leaf miner has caused severe defoliation in local birch trees this season.
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Look out for the birch leaf miner!
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The birch tree lost many leaves due to the infestation of birch leaf miners.
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In the spring, the birch leaf miner can be seen causing damage to young birch leaves.
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Gardeners often try to protect their birch trees from birch leaf miners to maintain healthy foliage.
Synonyms
A small black insect whose young eat birch leaves and can strip whole trees of leaves
Surface Forms
Morphology
The compound is fully compositional: 'birch' + 'leaf' + 'miner' straightforwardly means an agent that mines (damages from inside) birch leaves, so a learner who knows the constituent words can infer it as something that attacks birch leaves. Although 'miner' often denotes a person who digs ore, the agentive formation 'X-miner' applying to organisms (leaf miner) is a transparent, cross-linguistic compounding pattern and should be understandable at B1.
Etymology
Birch leaf miner names a small insect whose young larvae live inside and eat the leaves of the birch tree. The word miner gives the picture: like a person who digs tunnels, the insect makes tiny tunnels or 'mines' inside the leaf, so the name explains the damage it causes.