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Insecta
Neuroterus numismalis (Silk Button Gall Wasp)
Nomenclature
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Family: Cynipidae (Gall Wasps)
Species:
Neuroterus numismalis (Silk Button Gall Wasp)
Vernacular names:
Vernacular name:
Silk Button Gall Wasp
SUMMARY
This gall wasp has two generations per year, one being sexual and the other agamic (all female and needs no male to reproduce). The sexual generation causes blister galls on oak leaves. and the the agamic generation causes silk button galls on the underside of oak leaves.
There is only one record for this species in the Outer Hebrides, but as there are very few oaks (Quercus species) it is unlikely to be widely distributed.