Potato-gall
Guides
Neuroterus quercusbatatus
Oak potato gall, Potato gall wasp
Neuroterus quercusbatatus is a cynipid gall wasp that induces distinctive potato-shaped galls on oak leaves. The species exhibits a complex life cycle involving alternating generations between leaf galls and other oak tissues. As a member of the diverse Neuroterus genus, it contributes to the remarkable gall-forming diversity associated with North American oaks. The species has been documented through hundreds of observations, indicating it is relatively common and widespread in suitable habitat.