Galls on several white oak leaves. This gall is called an oak flake gall, caused by the laying of eggs by the cynipid Oklahoma, USA.

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These are galls on a group of white oak leaves, Quercus alba, caused by gall wasps. This gall is called an oak flake gall. Gall wasps, also called gallflies, are a family, Cynipidae, of the order Hymenoptera and are classified with the Apocrita suborder of wasps in the superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1300 species of this generally very small creature, 1-8 mm, are known worldwide, with about 360 species of 36 different genera in Europe and some 800 species in North America. Most gall-making insects are adelgids, phylloxerans, psyllids, gall midges, or gall wasps, cynipids. Of the more than 2,000 gall-making insects in the , over l,700 are gall midges or gall wasps.

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Size: 6000px × 4000px
Location: Oklahoma City, Oklahoma, USA
Photo credit: © A LaRue / Alamy / Afripics
License: Licensed
Model Released: No

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