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Most hollies have some leaves infested with leaf miner. The damage can be unsightly but has little impact on the plant’s growth or vigour.
Holly leaf miner is a small fly with larvae that cause discoloured blotches by feeding inside holly leaves.
Common name Holly leaf minerScientific name Phytomyza ilicisPlants affected Holly (Ilex species)Main symptoms Yellowish-purple blotches on the upper leaf surfaceMost active All year
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© The Royal Horticultural Society 2011 / RHS Registered Charity № 222879/SC038262