Andricus grossulariae Giraud, 1859
acorn cup gall
on Quercus, agamous generation
Quercus pubescens, France, dép. Alpes-Maritimes, Saint-Cézaire-sur-Siagne © Pierre Gros
Quercus robur, Belgium, prov. Antwerp, Hoboken; © Chris Snyers
the galled acorn contains several larval cells
Quercus robur, Zeewolde, Harderbos © Hans Jonkman: old gall (October)
opened gall
gall
galling of the acorn, that almost entirely remains hidden within the cupula, or a bud. On top a bunch of fleshy appendages.
hostplants
Fagaceae, monophagous
Quercus frainetto, lusitanica, petraea, pubescens, pyrenaica, robur.
on Quercus, sexual generation
Quercus cerris, Zeewolde, Harderbos © Hans Jonkman: young, still hairy, catkin gall
old galls, early June
Quercus cerris, Dronten: young galls on male catkins; © Arnold Grosscurt
ripe galls
section through two, fused, galls
two weeks later this adult was found in an opened gall.
hostplants
Fagaceae, narrowly monophagous
Quercus cerris, frainetto, x hispanica, infectoria & subsp. veneris, ithaburensis, robur, suber, trojana.
synonym
Andricus mayri Wachtl, 1879; A. panteli Kieffer, 1897 (but Pujade-Villar ao (2002a) consider panteli a distinct species); Andricus panteli var. fructuum Trotter, 1899.
references
Bellmann (2012a), Buhr (1965a), Burton & Schneider (2018a), Cerasa (2015a), Chinery (2011a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Ecott (2012a), Groom (2011a), Hellrigl (2009a, 2010a), Hellrigl & Bodur (2015a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kollár (2011a), Koops (2013a), Kwast (2012a, 2014a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Mete & Demirsoy (2012a), Nieves-Aldrey (2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Pellizzari (2010a), Pujade-Villar (1986a, 2005b), Pujade-Villar, Kwast, Thuroczy & Bellido (2002a), Pujade-Villar & Melika (2002a), Redfern & Shirley (2011a), Roskam (2009a), Shachar, Melika, Inbar & Dorchin (2018a), Tomasi (2014a), Williams (2010a).