Aphelonyx cerricola (Giraud, 1859)

on Quercus

Aphelonyx cerricola: galls on Quercus cerris

Quercus cerris, Hungary, Budapest, Kamaraerdő © László Érsek

Aphelonyx cerricola: galls on Quercus cerris

detail

Aphelonyx cerricola: gall on Quercus cerris

underside of a gall, taken from the brach

Aphelonyx cerricola: ? larva

probably this is the larva of A. cerricola

Aphelonyx cerricola: ? larva

detail

Aphelonyx cerricola: ? inquiline

probably an inquiline

Aphelonyx cerricola: ? inquiline

detail; the larva resembles an ormyrid, as depicted on Gómez ao; however, in that paper A. cerricola is not mentioned as a host.

Aphelonyx cerricola: gall on Quercus cerris

Quercus cerris, Belgium, Bruxelles, Ixelles, Jardin du Roy © Bart Uitterhaegen

Aphelonyx cerricola: galls on Quercus cerris

often several galls together, that may fuse into an irregular mass

Aphelonyx cerricola: old galls

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, atached at one point.

hostplants

Fagaceae, narrowly monophagous

Quercus cerris.

notes

Only the agamous generation is known.

inquilines

Ceroptres cerri.

references

Bellmann (2012a), Buhr (1965a), Ceresa (2015a), Chinery (2011a), Chireceanu, Chiriloaie, Teodoru & Sivu (2015a), Gómez, Hernández Nieves, Gayubo & Nieves-Aldrey (2017a), Hellrigl (2009a, 2010a, 2012a), Hellrigl & Bodur (2015a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kwast (2012a, 2014a), Marković (2014a, 2015a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Nieves-Aldrey (2001a), Redfern & Shirley (2011a), Williams (2010a).

mod 5.vi.2018