![](http://www.alamy.com/thumbs/6/CAB4D9AA-D162-4E5C-B495-DA9D1E28CBE2/2D7XMF2.jpg)
Silk button galls, Neuroterus numismalis, caused by a gall wasp on Common Oak leaf.
Size: 7470px × 4643px
Photo credit: © Bob Gibbons / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: apocrita, arthropod, arthropoda, arthropods, blister, button, common, cynipid, cynipidae, cynipoidea, ectognatha, english, french, gall, gall-wasps, gallflies, galls, hexapod, hexapods, hymenoptera, leaf, neuroterus, numismalis, oak, pedunculate, quercus, robur, silk, wasp, wasps