Neuroterus numismalis (Fourcroy, 1785)

on Quercus, agamous generation

Neuroterus numismalis: galls on Quercus robur

Quercus robur, Biddinghuizen, Spijk- en Bremerbergbos © Hans Jonkman

Neuroterus numismalis: galls on Quercus robur

same leaf, underside

Neuroterus numismalis galls

Quercus robur, Rheden

Neuroterus numismalis single gall

a single gall

Neuroterus numismalis transverse cut

section

gall

Galls from August, mature in September.

hostplants

Fagaceae, monophagous

Quercus cerris, dalechampii, frainetto, x hispanica, infectoria & subsp. veneris, lusitanica, macranthera, petraea, pubescens, robur, rubra, suber.


on Quercus, sexual generation

Neuroterus numismalis FM galls on Quercus robur

Quercus robur, France, dép. Loiret, Pers-en-Gâtinais, 29.vi.2018 © Eugène Vandebeulque; two galls, upper side

Neuroterus numismalis FM galls on Quercus robur

same galls, underside

Neuroterus numismalis FM gall on Quercus robur

vertical section; the galls are unusually high

Neuroterus numismalis FM: gall on Quercus robur

Quercus robur, Belgium, prov. Limbourg, Gerhoeven, de Rammelaars © Carina Van Steenwinkel: old gall, upper side

Neuroterus numismalis FM: gall on Quercus robur

underside of a gall

Neuroterus numismalis FM: gall on Quercus robur

Quercus robur, Quercus robur, Belgium, prov. Limbourg, Lanaken, de Hoefaert © Carina Van Steenwinkel, old galls

Neuroterus numismalis FM: gall on Quercus robur

underside

Neuroterus numismalis gall

Quercus robur, Dronten © Arnold Grosscurt: young gall

Neuroterus numismalis gall

detail

parasite

The gall is an unilocular mostly rather low disc in the leaf tissue, about equally protruding at either side, with a diameter of ± 3 mm. At the one of the sides the gall has a small central pimple and the surface is radially striated. There is no inner gal.

hostplants

Fagaceae, monophagous

Quercus cerris, infectoria, petraea, pubescens, pyrenaica, robur.

synonyms

Neuroterus defectus Hartig, 1840; N. numismatis Olivier, 1790; ; N. vesicatrix von Schlechtendal, 1870; N. vesicator Hieronymus, 1890.

references

Abras, Fassotte, Chandelier & Cavelier (2008a), Béguinot (2001c, 2002a,d,f,g,h, 2003a,c, 2005a, 2006c, 2007b, 2012a), Bellmann (2012a), Buhr (1965a), Ceresa (2015a), Chinery (2011a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Eady & Quinlan (1963a), Ecott (2012a), Flügel (2016a), Groom (2011a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Houard (1908a), Ilie & Marinescu (2011a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kollár (2007a, 2011a), Koops (2013a), Kwast (2012a, 2014a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon & Romain (2009a), Lambinon, Schneider & Chevin (2003a), Lehmann & Hannover (2016a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Mete & Demirsoy (2012a), Nieves-Aldrey (2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Pellizzari (2010a), Pujade-Villar (2005b), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2012a), Vilarrubia Garet (1956a), Williams (2010a).

mod 22.viii.2018