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Leaf Miners

Size: 2–3mm

Identification, life cycle, damage signs, and treatment guide.

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Identification

Distinctive pale winding tunnels or blotches within leaves caused by larvae feeding between leaf layers.

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Life Cycle

Adults are small flies or moths. Larvae mine inside leaves for 1–3 weeks before pupating.

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Damage Signs

Cosmetic damage to leaves reduces photosynthesis. Rarely fatal but weakens plant.

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Treatment

Remove and destroy mined leaves. Neem oil. Spinosad for severe infestations.

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Prevention

Row covers. Sticky yellow traps to catch adults. Remove plant debris.

Leaf Miners — Plant Pest Identification & Control | GreenScout