Close-up of distorted Acorn knopper gall growths caused by the cynipid gall wasp Andricus quercuscalicis on acorns of a penduculate oak tree. Photogra

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Close-up of distorted Acorn knopper gall growths caused by the cynipid gall wasp Andricus quercuscalicis on acorns of a penduculate oak tree. Photographed in a Norfolk woodland habitat, UK.

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Size: 4422px × 2811px
Photo credit: © NIGEL DOWNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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