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Cynips divisa

Gall wasp Cynips divisa

Description

The asexual generation creates small, pale, 4-6 mm long galls on the bottom side of leaves. They are usually found in groups of 10-20. The galls are attached to leaf veins. One larva develops in each gall. The sexual generation has a different gall.

Symptom

Small, pale, 4-6 mm long galls on the bottom side of leaves.

Tree Species: Oak

Part of a plant- attacked: Leaf / Needle

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 1 observations of the species in the system

Cynips divisaGall wasp Cynips divisa
Alena
Number of votes: 0
Published: 25.8.2025