Colin Varndell / Silk button galls on the underside of Pedunculate oak leaf (Quercus robur) caused by the Gall wasp (Neuroterus numismalis). Dorset, UK, September.
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Solvin Zankl / Oak spangle gall (Neuroterus numismalis) on oak tree leaf, Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany
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Adrian Davies / Silk button spangle galls on an English oak (Quercus robur) leaf caused by a gall wasp (Neuroterus numismalis), Surrey, England, UK, September.
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Georgette Douwma / Silk button spangle galls caused by the Gall wasp (Neuroterus numisalis) and Common spangle galls caused by another gall wasp (Neuroterus quercusbaccarumon) on the underside of an English oak leaf (Qu...
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Georgette Douwma / Silk button spangle galls caused by the gall wasp Neuroterus numisalis and Common spangle galls caused by the gall wasp Neuroterus quercusbaccarumon on the underside of an English oak leaf (Quercus ro...
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Georgette Douwma / Silk button spangle galls caused by the Gall wasp (Neuroterus numismalis) and Common spangle galls caused by another (Neuroterus quercusbaccarumon) on the underside of an English oak leaf (Quercus rob...
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Georgette Douwma / Silk button spangle galls caused by the gall wasp Neuroterus numisalis on the underside of an English oak leaf (Quercus robur) UK.
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Georgette Douwma / Silk button spangle galls caused by the Gall wasp (Neuroterus numisalis) and Common spangle galls caused by another gall wasp (Neuroterus quercusbaccarumon) on the underside of an English oak leaf (Qu...
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Georgette Douwma / Silk button spangle galls caused by the gall wasp (Neuroterus numismalis) on the underside of an English oak leaf (Quercus robur) UK.
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Chris O'Reilly / Silk button and Common spangle galls of Gall wasps {Neuroterus spp} on oak leaf. UK
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Chris O'Reilly / Silk button spangle galls (Neuroterus numismalis) on oak leaf, UK
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Alex Hyde / Galls of the Silk button gall wasp (Neuroterus numismalis) on the underside of a fallen Oak (Quercus sp.) leaf. A single adult wasp will emerge from each gall, Peak District National Park, Derbyshire,...