Callirhytis lapillula
Quercus bicolor
Acorn galls
Separate cells in a group inside a mature lop-sided acorn in the fall.
"Similar to those of Callirhytis lapillula"
Quercus lyrata
Acorn galls
Separable cells inside a mature acorn in fall similar to those of Callirhytis lapillula. From GA, Feb 12.
[Photo caption]
On Q bicolor. Adults emerged the second and third springs between Apr 25 and May 16. There is a similar gall in the acorns of Q alba not described.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/111/mode/1up