Andricus caepuliformis sp. nov.
Gall. — In clusters around the twig of black oak (Quercus velutina). Monothalamous. Rounded with the apex pointed, and the sides longitudinally grooved. The rounded part is hollow and rather thin walled, and the base of the gall is imbedded in a cavity in the twig. Rose colored, hard and woody (when dry). In general appearance the gall resembles a very small seed onion. Length 5-8 mm. Width 4-5 mm.
Habitat.--IN
”- William Beutenmuller: (1911) Descriptions of New Species of Cynipidae©
Reference: https://www.biodiversitylibrary.org/item/84930#page/29/mode/1up