Knopper Galls on the acorns of a Pedunculate Oak tree (Quercus robur). The galls are caused by the gall wasp Andricus quercuscalicis. Bedgebury Forest

---

Knopper Galls on the acorns of a Pedunculate Oak tree (Quercus robur). The galls are caused by the gall wasp Andricus quercuscalicis. Bedgebury Forest, Kent, UK

---

Size: 5629px × 4360px
Location: Bedgebury Forest, Kent, UK
Photo credit: © MichaelGrantPlants / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acorn, acorns, andricus, barndigital, common, disease, diseased, english, european, gall, galls, knopper, oak, pedunculate, quercus, quercuscalicis, robur, wasp