Neuroterus quercusbaccarum is a species of gall wasp which is found in Britain.This species is widespread in Britain, found in many oak woodlands, which is needs to make galls for it's young to live. The young live in the Common Spangle Gall, which are often in good numbers on. These galls then fall to the floor, and the second genoration form Currant Galls in the catkins. When adults emerge from these, they form Spangle Galls again. The small adults are black with a red-black abdomen.