Duncan Mcewan / Silk button spangle galls on Oak casued by Wasp (Neuroterus albipes). Scotland, UK, Europe

Laurie Campbell / Oak spangle gall (Neuroterus quercusbaccarum) on the underside of a sessile / durmast oak leaf, Roxburghshire, Scotland, September

Laurie Campbell / Cherry gall (Diplolepis quercusfolii) on underside of oak leaf with Oak spangle galls (Neuroterus quercusbaccarum) Loch Lomond and the Trossachs National Park, Stirlingshire, October

Colin Varndell / Common spangle galls of the Gall wasp (Neuroterus quercusbaccarum) on underside of oak leaf, Dorset, UK, September

Colin Varndell / Common Spangle Galls of the Gall Wasp (Neuroterus quercusbaccarum) on underside of oak leaf. Dorset, UK, September.

Ross Hoddinott / Spangle galls on oak leaf caused by Spangle gall wasp {Neuroterus quercusbaccarum}, Cornwall, UK. October.

Jason Smalley / Common spangle galls on oak leaves caused by Spangle gall wasp {Neuroterus quercusbaccarum} Lancashire, UK

Chris O'Reilly / Silk button and Common spangle galls of Gall wasps {Neuroterus spp} on oak leaf. UK

Chris O'Reilly / Silk button spangle galls (Neuroterus numismalis) on oak leaf, UK

Jason Smalley / Common spangle galls on oak caused by wasp (Neuroterus quercusbaccarum) Lancashire, UK

Duncan Mcewan / Spangle galls, early development on Oak leaf caused by Spangle gall wasp {Neuroterus quercusbaccarum} UK

Duncan Mcewan / Common spangle galls on oak leaf caused by Wasp (Neuroterus quercusbaccarum). Scotland, UK, Europe

Ross Hoddinott / Oak spangle galls from gall wasp {Neuroterus quercus baccarum} on oak leaf, UK