Quercus alba
Stem galls, cells hidden under bark, little or no swelling
Cells in the pith. Adult chewing out in June (DC).
[Photo caption (no photo)]
Never reared. Cells in the pith of Q alba. Adults probably emerge in June.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/53/mode/1up