Diplolepis pustulatoides
Leaf galls
Similar [to D nebulosa and bicolor] but smaller, 4-5 in dia, wall thin, on upper side of leaf and dropping with it.
[Photo caption (no photo)]
On a wild rose. Adults out May 24.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/95/mode/1up