Andricus rugatus
Quercus lyrata
Leaf galls, detachable
Midrib cluster of dark red rugose galls on under side of leaf in the fall.
[Photo caption]
On Q lyrata. Adults out Apr 11 the third spring and a pupa in the fall indicated there would be some the fourth.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/71/mode/1up