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Contarinia tiliarum

Gall midge Contarinia tiliarum

Description

Hard, globular gall (2–15 mm in diameter) situated on the petiole, flower stalk or young shoot. Pale coloured, greenish, but sometimes reddish. The gall can either be single- or multi-chambered. Each chamber contains a yellow larva. Its impact is negligible. Forests, parks, gardens with Tilia spp.

Symptom

Hard, globular gall (2–15 mm in diameter) situated on the petiole, flower stalk or young shoot. Leaf deformations.

Tree Species: Lime

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes