Andricus lignicolus (Hartig, 1840)
on Quercus , agamous generation

Quercus robur, Castricum aan Zee, 18.v.2012
Quercus spec., North Macedonia, National Park Galičica (Resen), oak forest, 1100 m a.s.l., 30.vii.2019 © Cor Zonneveld
another specimen

Quercus robur, Belgium, prov. Namur, Dinant, 2.x.2009 © Jean-Yves Baugnée

a single gall

vertical section
host plants
Fagaceae, monophagous
Quercus frainetto, mongolica, montana, petraea, phellos, pubescens, pyrenaica, robur.
on Quercus, sexual generation
The sexual generation makes a group of small galls in a bud of a young shoot, strongly resembling those of Andricus kollari.
host plants
Fagaceae, narrowly monophagous
Quercus cerris.
synonyms
Cynips lignicola; Andricus vanheurni Docters van Leeuwen & Dekhuijzen-Maasland, 1958.
inquilines
Synergus gallaepomiformis, Synergus pallipes, reinhardi, umbraculus.
parasitoids, predators
Bootanomyia dorsalis; Eurytoma brunniventris.
references
Béguinot (2006c), Bellido, Ros-Farré, Melika & pujade-villar (2003a), Bellmann (2012a), Buhr (1965a), Burton, Ellis & Schneider (2022a), Chinery (2011a), Dauphin & Aniotsbehere (1997a), Docters van Leeuwen & Dekhuijzen-Maasland (1956a, 1958a), Ecott (2012a), Groom (2011a), Hellrigl (2009a, 2010a, 2012a), Hellrigl & Bodur (2015a), Houard (1998a), Karaca & Katılmış (2020a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Koops (2013a), Kwast (2012a, 2014a), Lambinon, Carbonnelle & Claerebout (2015a), Lehmann & Hannover (2016a), Máca (2012a), Marković (2014a, 2015a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), JP & MA O’Connor, Wistow & Ashe (1993a), Redfern & Shirley (2011a), Roskam (2009a), Schimitschek (1939a), Schneider (2016a), Tomasi (2014a), Wiebes-Rijks (1978a), Williams (2010a).