Andricus cryptobius Wachtl, 1880
Quercus cerris, gall (from Houard, 1908a)
Bud gall, less than 3.5 mm high, hidden in a crown of dwarfed leaves. The gall has the shape and colour of an apple pip, and is attached with its broad base; surface with extending, upwards directed hairs.
Only the sexual generation is known of this species.
Buhr (1965a), Houard (1908a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a).