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Andricus galeatus

Gall wasp Andricus galeatus

Description

On thin oak twigs, near buds is formed the 0.8-1.2 cm barrel-like gall that has a shape of a „Turkish“ turban in the upper part. First the gall is green, later it is brown. It is locally common in warmer habitats. It does not cause serious damage. 

Symptom

Barrel-like gall that has a shape of a „Turkish“ turban in the upper part.

Tree Species: Oak

Part of a plant- attacked: Branch

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes