Cynips vesicula, n. sp.
Gall a small, smooth, reddish brown vesicle developed from the center of the buds of Quercus alba, surrounded at the base by the bud-scales. The color is sometimes a pale greenish brown. The walls of the gall are thin and the larva free, that is, having no larval cell. These galls are partially developed in the preceding autumn, and mature so rapidly in the spring that the insects emerge about the time the leaves of the oak begin to expand.
Female appears early in April.”
- HF Bassett: (1881) New Cynipidae (1881)©