Ram's Horn Gall, Andricus aries, on Common Oak in late summer, Norfolk.

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Size: 6338px × 4211px
Photo credit: © Bob Gibbons / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: andricus, aries, cecidia, common, cynipid, cynipidae, gall, gall-forming, gall-wasp, galls, horn, increasing, invading, oak, quercus, rams, robber, spreading, wasp