Holly leaf miner

Most hollies have some leaves with evidence of a leaf mining fly, this has little impact on the plant’s growth or vigour.

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Holly leaf miner (Phytomyza ilicis) on Holly (Ilex aquifolium). Credit: RHS/Entomology.

Quick facts

Common name: Holly leaf-miner
Scientific name: Phytomyza ilicis
Plants affected: Holly (Ilex species)
Main symptoms: Yellowish-purple blotches on the upper leaf surface
Most active: All year

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