Andricus cydoniae Giraud, 1859
Quercus cerris, gall (from Houard, 1908a)
Downy hairy, green (ultimately brown and woody), more or less ovoid gall of about 1.5 cm long at the end of a branch. From the gall often some more or less normal leaves may sprout. Near the tip the gall has a large hole that opens into a spacious gall chamber that has a large number of ovoid inner gall in its lower half, each with one solitary larva that pupates within the gall.
Quercus cerris, petraea, robur, suber.
Buhr (1965a), Cerasa (2015a), Dauphin & Aniotsbehere (1997a), Hellrigl (2009a, 2010a), Hellrigl & Bodur (2015a), Hesse (1972a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kollár (2011a), Kwast (2012a, 2014a), Marković (2014a, 2015a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Roskam (2009a), Shachar, Melika, Inbar & Dorchin (2018a), Stone, Atkinson, Rokas ao (2008a).