A small fly, moth, or sawfly whose larvae burrow between the two surfaces of a leaf.
- They help to repel leaf miner moths and some gardeners even find them effective against grasshoppers.
- This damage has been caused by the grubs of the azalea leaf miner and usually occurs on indoor plants in autumn and winter.
- Dark blotches and tunnels in the leaves of beet greens, spinach, and Swiss chard are the work of the spinach leaf miner.
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