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, monophagous

Quercus cerris, x hispanica, ilex, petraea, suber.

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 22.viii.2018