Marble galls on Sessile Oak, caused by Gall Wasp Andricus kollari, Wales, UK.

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Size: 2832px × 4256px
Location: Wales, UK, Britain
Photo credit: © keith burdett / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: andricus, apple, apples, britain, british, cycle, gall, growth, insect, insects, kollari, marble, nature, oak, parasite, parasitic, parasitism, petraea, plant, quercus, reproductive, sessile, tree, uk, unilocular, wasp, wildlife