Cecidomyia q-oruca Walsh.
An elongate fold gall close to the midrib on the under surface length 12 mm., diameter 1 mm. ; on Quercus tinctoria [velutina].
”- EP Felt: (1910) Gall midges of Aster, Carya, Quercus and Salix©
Reference: https://www.biodiversitylibrary.org/page/9543085#page/450/mode/1up