Andricus gemmeus (Giraud, 1859)
on Quercus, asexual generation
Quercus robur, France, dép. Landes, Morcenx, 30.viii.2020 © Pierre Duhem
young gall

Quercus robur, Houdringe, 24.ix.2013 © Ben van As

same gall, more for the side

Quercus robur, Rotterdam, Kooiwaldbos, 11.ix.2011 © Ben van As
host plants
Fagaceae, monophagous
Querus petraea, robur.
on Quercus, sexual generation
gall
Inconspicuous, unilocular, 3-5 mm large conical gall, broadly attached, largely hidden below a bud scale. On an older twig, in an accessory bud or in a bud in a the axil of a leaf petiole.
host plants
Fagaceae, monophagous
Querus cerris.
synonyms
Andricus kirchsbergi (Wachtl, 1876).
references
Bellmann (2012a), Buhr (1965a), Burton, Carbonnelle, Ellis & Schneider (2019a), Burton & Schneider (2018a), Cerasa (2015a), Chinery (2011a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Houard (1908a), Jennings, Bowdrey & Jennings (2020a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Koops (2013a), Kwast (2012a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Nieves-Aldrey (1983a, 2001a), Redfern & Shirley (2011a), Roskam (2009a), Stănescu (2009a), Stone, Atkinson, Rokas ao (2008a), Tavares (1905a), Tomasi (2014a).