Quercus alba
Acorn galls
Undersized acorn (cup 7 mm in dia.) containing a single larval cell which occupies the whole interior. In fall (NY).
[Photo caption (no photo)]
Never reared. Undersized acorn of Q alba in gall (cup 7 mm in dia.) containing a single larval cell (NY).
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/52/mode/1up