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Andricus tomentosus

Gall wasp Andricus tomentosus

Description

Wide conical, up to 2 cm high gall. With an opening on the top - often pointy on top. It is often attached to a twig at its base and often more or less surrounds the shoot. The gall is densely covered with rusty-ocher felt.

Symptom

Wide conical, up to 2 cm high gall. The gall is densely covered with rusty-ocher felt.

Tree Species: Oak

Part of a plant- attacked: Branch

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes