Andricus quercuscorticis
Description
Andricus quercuscorticis is a gall wasp that causes galls on the trunks of English Oak (Quercus robur). The galls are ovoid; they occur in clusters and are embedded in the bark, eventually only the empty sockets persisting.
Identification difficulty
Adult 
Gall 
Habitat
Where the host oak trees are found.
When to see it
Galls form in May but the sockets persist.
UK Status
Widespread and may be locally frequent, but it is under recorded in Britain.
VC55 Status
Fairly frequent in Leicestershire and Rutland.
Graham Calow
Burbage Common and Woods
07 April 2015
on Quercus robur
Graham Calow
Burbage Common and Woods
07 April 2015
on Quercus robur
Alan Semper
Brocks Hill Country Park
06 September 2014
Exit holes
Graham Calow
Burbage Common and Woods
07 April 2015
on Quercus robur
Alan Semper
Brocks Hill Country Park
06 September 2014
Exit holes top right of branch callous
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015
UK Map
martindgrimes
Priors coppice
04 September 2016
