Quercus cerris, Hungary, Balatonszepezd © László Érsek

gall

Long-hairy, thick-discoidal gall, 4-6 mm across, that is attached with one point at the underside of a leaf. The hairs in the central part are orange-brown, more laterally they are greyish-white. The gall tissue around the small central gall chamber has several horizontal cavities.

host plants

Fagaceae, monophagous

Quercus brantii, cerris, x hispanica, ilex, ithaburensis & subsp. macrolepis, libani, pubescens, robur, suber.

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on Quercus, sexual generation

Quercus cerris, gall ( from Houard, 1908a)

gall

Catkin gall. One of the two loculi is swollen into an ovoid, 1.5-2 mm long, densely silvery-hairy gall. The gall is green when young, golden brown when mature.

hostplants

Fagaceae, narrowly monophagous

Quercus cerris.

synonyms

Neuroterus lanuginosus; Cerroneuroterus, Neuroterus cerrifloralis Müllner, 1901; Neuroterus ambrusi Melika, Stone & Csóka, 1999.

inquilines

Synergus tibialis.

references

Bellmann (2012a), Buhr (1965a), Cerasa (2015a), Cogolludo (1921a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kollár (2007a), Kwast (2012a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Melika, Pujade-Villar, Abe ao (2010a), Melika, Stone & Csóka (1999a), Mete & Demirsoy (2012a), Pujade-Villar (2007a), Pujade-Villar, Kwast, Thuroczy & Bellido (2002a), Shachar, Melika, Inbar & Dorchin (2018a), Stănescu (2009a).