Quercus robur, Duin en Kruidberg

Quercus robur, Nieuwendam

gall

Galls from July till September; mature in August.

host plants

Fagaceae, monophagous

Quercus cerris, dalechampii, frainetto, x haynaldiana, infectoria & subsp. veneris, lusitanica, petraea, pubescens, pyrenaica, robur.

on Quercus, sexual generation

disfigured leaf with gall (from Eady & Quinlan, 1963a)

catkin gall (from Eady & Quinlan, 1963a)

Quercus robur, Dronten © Arnold Grosscurt

Quercus robur, Belgium, prov. Antwerp, Balen, Scheps © Carina Van Steenwinkel: gall attached to the basal part of a male catkin (that distally also bore some galls of Andricus quadrilineatus).

Quercus robur, Belgium, prov. Antwerp, Retie, Prinsenpark © Carina Van Steenwinkel: gall attached to an aborted male catkin.

gall

de ± 4 mm long, oval gall lies with its long side against the margin of a very young, still unfolding leaf. Around the gall development of the leaf is seriously disturbed. Sometimes the gall can be found in an unfolding bud or attached the axis of a male catkin. Galls generally solitary, the surface is somewhat granulate.

host plants

Fagaceae, monophagous

Quercus canariensis, cerris, coccifera, frainetto, ilex, infectoria subsp. veneris, lusitanica, petraea, pubescens, pyrenaica, robur, trojana.

synonyms

Neuroterus albipes lusitanicus Tavares, 1902; N. codinae Tavares, 1928; N. laeviusculus Schenck, 1863; N. albipes laeviusculus.

notes

Although the occurrence of this gall in male catkins is considered rare in the literature, they were found by Carina at several occasions, generally near the base of the catkin.

inquilines

Xenodiplosis laeviusculi.

parasitoids, predators

Aprostocetus aethiops; Aulogymnus arsames; Eupelmus barai; Eurytoma brunniventris; Mesopolobus fasciiventris, fuscipes, tibialis; Ormocerus latus, vernalis; Ormyrus pomaceus; Pediobius clita, lysis; Sycophila biguttata; Torymus flavipes.

references

Abras, Fassotte, Chandelier & Cavelier (2008a), Askew (1961b), Béguinot (2001c, 2002a,d,e,f,g, 2003a, 2005a, 2006a,c, 2007b, 2012a), Bellmann (2012a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Buhr (1965a), Cerasa (2015a), Chinery (2011a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Csóka (2012a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Eady & Quinlan (1963a), Ecott (2012a), Flügel (2016a), Fusu (2017a)m Gómez, Hernández Nieves, Garrido Torres, ao (2006a), Groom (2011a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Houard (1908a), Karaca & Katılmış (2020a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kollár (2011a), Koops (2013a), Kwast (2012a, 2014a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon & Romain (2009a), Lambinon, Schneider & Chevin (2003a), Lambinon Schneider & Feitz (2012a), Lehmann & Hannover (2016a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Nieves Aldrey (1984b), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Pujade-Villar (2005b), Redfern & Shirley (2011a), Roskam (2009a), Shachar, Melika, Inbar & Dorchin (2018a), Sylvén (1960a), Tavares (1905a), Vilarrubia Garet (1956a), Williams (2010a).