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Phyllonorycter millierella

Phyllonorycter millierella

Description

Phyllonorycter millierella. This bivoltine species is native to Southern Europe and Asia Minor. It can be found in Central Europe as well. The larvae make blotch mines in the vein fork on the underside of the leaves. Usually many (5–9) larvae can be found on one leaf. Faeces can be found in the whole mine. Infestation can be severe. Heavy infestation can cause severe defoliation. It can be found in parks, gardens and arboreta.

Symptom

Numerous mines on leaves, visible from both side of the leaves.

Tree Species: Nettle tree

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes