Aphelonyx cerricola (Giraud, 1859)
on Quercus
Quercus cerris, Hungary, Budapest, Kamaraerdő © László Érsek
detail
underside of a gall, taken from the branch
probably this is the larva of A. cerricola
detail
probably an inquiline
detail; the larva resembles an ormyrid, as depicted on Gómez ao; however, in that paper A. cerricola is not mentioned as a host.
Quercus cerris, Belgium, Bruxelles, Ixelles, Jardin du Roy © Bart Uitterhaegen
often several galls together, that may fuse into an irregular mass
the galls are unilocular
gall
roundish, 1.5 cm large gal on a thin branch and somewhat enclosing it. The fresh gall is pale green and felty-hairy, later it turns light brown, smooth, thick-walled and hard. The spacious gall chamber contains (usually) one inner gall, attached at one point.
host plants
Fagaceae, monophagous
Quercus cerris, x hispanica, ilex, petraea, suber, trojana.
notes
Only the agamous generation is known.
inquilines
references
Bellmann (2012a), Buhr (1965a), Cerasa (2015a), Chinery (2011a), Chireceanu, Chiriloaie, Teodoru & Sivu (2015a), Gómez, Hernández Nieves, Gayubo & Nieves-Aldrey (2017a), Hellrigl (2009a, 2010a, 2012a), Hellrigl & Bodur (2015a), Houard (1908a), Karaca & Katılmış (2020a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kwast (2012a, 2014a), Marković (2014a, 2015a), Meijer, Smit, Beukeboom & Schilthuizen (2012a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Nieves-Aldrey (2001a), Redfern & Shirley (2011a), Williams (2010a).