Andricus curvator


Andricus curvator is a Cynipid gall wasp that causes galls to form in the leaves of Oak. The sexual generation gall is roughly globular, about 8 mm across and often distorts the leaf and midrib. Sometimes several galls coalesce.

Identification difficulty

Adult Gall


Where Oak is present.

When to see it

June and July.

UK Status

Widespread and fairly frequent 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