Acorn Knopper gall on oak tree caused by Andricus quercuscalicis Colemans Hill Farm Mickleton UK

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Acorn Knopper gall on oak tree caused by gall wasp Andricus quercuscalicis Colemans Hill Farm Mickleton UK

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Size: 5423px × 3558px
Location: Cotswolds UK
Photo credit: © Mark Boulton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acorn, andricus, chemically, disease, distortion, gall, induced, knopper, leaves, oak, quercuscalicise, tree, uk, wasp