Cynips longiventris

Alternative names
Striped Pea Gall

The asexual generation of Cynips longiventris cause attractive pea shaped striped galls on the leaves of Oak – usually on the underside, but can be on the upper surface.

Identification difficulty


Recording advice

When recording the gall please provide a photograph and state the host species.


Galls are found on Oak.

When to see it

When Oak is in leaf – summer to autumn.

Life History

The sexual generation produces oval or pear-shaped, hairy galls of ~2 mm length on resting buds.

UK Status

Widespread, but occasional in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map