Andricus nobrei Tavares, 1901
elliptic, about 3 mm long gall between the acorn and the locally somewhat disfigured cupula. The gall is shiny, smooth, thin-walled. According to Houard sits the gall between the scales of the cupla, and is the acorn atrophied.
Fagaceae, (narrowly?) monophagous
Cogolludo (1921a), Houard (1908a), Nieves-Aldrey (2001a), Tavares (1905a).