Close up of a cluster of silk button spangle galls attached to the underside of an oak leaf (Quercus robor) caused by gall wasp (Neuroterus numismalus

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Close up of a cluster of silk button spangle galls attached to the underside of an oak leaf (Quercus robor) caused by gall wasp (Neuroterus numismalus). The galls fall from the leaves in autumn and the agamic insects, one to each gall, leave in the spring.

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Size: 5130px × 3407px
Photo credit: © NIGEL DOWNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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