Holm oaks (Quercus ilex) are affected by several leaf mining insects. The most troublesome are two species of leaf-mining moths; Holm oak blotch leaf-miner (Phyllonorycter messaniella) and Holm oak linear leaf-miner (Ectoedemia heringiella).
Common names Holm oak leaf-mining mothsScientific names Phyllonorycter messaniella and Ectoedemia heringellaPlants affected Holm oak (Quercus ilex)Main symptoms Brownish white blotches or wiggly linear mines in the foliageMost active All year
Leaf-mining moths are tiny moths with caterpillars that feed inside leaves, creating discoloured blotches and meandering lines where the internal tissues have been eaten away.
Angle shades mothCodling mothEncouraging moths into your gardenHorse chestnut leaf-mining mothOak declineOak gall waspsReducing the size of large trees safelyWinter moth caterpillars
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