knopper gall wasp, Andricus quercuscalicis, showing damage cause by this parasitic species of wasp

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Size: 6000px × 4000px
Location: Berkshire UK
Photo credit: © Carl Mckie / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acorn, andricus, deformed, gall, grub, knopper, oak, parasite, parasitic, quercuscalicis, tree, wasp