acorn cup gall wasp, knopper gall (Andricus quercuscalicis), ripe galls on acorns of Quercus robur

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Size: 5315px × 3543px
Photo credit: © blickwinkel/Koenig / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., acorn, acorns, animal, animals, cup, floor, floors, format, fruit, fruits, gall, galls, gallwasp, gallwasps, ground, horizontal, hymenopteran, hymenopterans, insect, insects, knopper, koenig, leaved, lies, lying, mature, nature, oak, oaks, parasitism, pathogen, pathogens, pest, pests, plant, plants, quercus, ripe, robur, tree, trees, vermin, vermins, wasp, woody