Aceria ilicis (Canestrini, 1890)
on Quercus
Quercus ilex, France, Brittany, Arradon, 21.vi.2018 © Arnold Grosscurt
galls at the underside of a leaf
extensive gall
old gall ?

Quercus ilex, Italy, Rome © Stéphane Claerebout

underside

detail
gall
an underside greyish or rust-coloured erineum covering upperside bulges of the leaf; often several per leaf; often the situation is inverted. The erineum consists of long trichomes with an acute tip that are strongly contorted and intertwined, forming a dense mass.
host plants
Fahaceae, oligophagous
Quercus “aegilops”, coccifera, ilex, ithaburensis & subsp. macrolepis, rotundifolia, suber.
Béguinot (2003a) described an exceptional occurrence on Q. pubescens. Mentioned by Denizhan ao (2015a) from Turkey on Q. robur
synonyms
Eriophyes ilicis.
inquilines
references
Béguinot (2000b, 2001a, 2002a, 2003a), Bellmann (2012a), Buhr (1965a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a, Denizhan, Monfreda, de Lillo & Çobanoğlu (2015a), Ecott (2012a), Estrada-Venegas, Acuña-Soto, Equihua-Martínez, Mederos & Pujade-Villar (2016a), Farkas (1965a), Hellrigl (2010a), Houard (1908a), Jočić & Petanović (2012a), Koops (2013a), Mifsud, Monfreda & de Lillo (2007a), Petanović & Stanković (1999a), Redfern & Shirley (2011a), Ripka & de Lillo (1997a), Roivainen (1953a), Salas-Remón, Llimona, Lozano ao (2015a), Spooner (1988b), Tomasi (2014a), Xue, Sadeghi & Hong (2009a), Xue, Wang, Song & Hong (2009a).