A yellow-green, hairless, bumpy-wrinkled, near-globular, pointed gall at the edge of young leaves of Quercus phellos, imbricaria, and rubra in the spring, sometimes deforming the full leaf. The gall is succulently thick-walled and contains a single larval cell in the center. Observed in May in Maryland and Ohio.
”- Gallformers Contributors: (2024) Gallformers ID Notes©