Currant galls on oak catkins and leaves. Created when spangle gall wasps (Neuroterus quercusbaccarum)lay their eggs in the catkins or the undersides of leaves of oak trees.
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Currant galls on oak catkins and leaves. Created when spangle gall wasps (Neuroterus quercusbaccarum)lay their eggs in the catkins or the undersides of leaves of oak trees.