Andricus quercustozae (Bosc, 1792)

on Quercus, agamous generation

Andricus quercustozae

Quercus sp., North Macedonia, Lake Prespa, Otesevo, 29.vii.2019 ©
Cor Zonneveld

Andricus quercustozae: galls on Quercus faginea

Quercus faginea, Spain, Castilla-La Mancha, Parque Nacional de Cabañeros iv.2018 @ Sébastien Carbonelle

Andricus quercustozae: galls on Quercus faginea

massive occurrence

Andricus quercustozae: failed gall

failed gall

Andricus quercustozae: gall on Quercus sp.

Quercus sp., Croatia, prov. Istria, Labin © Quentin Hubert

Andricus quercustozae gall

Quercus suber, France, Gironde, route Bordeaux-Narbonne; leg Magali Guillot-Pingue © Jean-Yves Baugnée

Andricus quercustozae gall

Quercus infectoria, Greece, Lesvos © Ben van As – identification cf!

gall

the gall develops from a bud on a second-year shoot. The base of the gall encloses the branch, causing old galls to remain for a long time on the tree. Young galls are ± red, 17-40 mm. The gall has, beyond the equator, an often coalescing crown of warts. There is an inner gal.

host plants

Fagaceae, monophagous

Quercus canariensis, coccifera, faginea, frainetto, ilex, infectoria. lusitanica, petraea, pubescens, pyrenaica, robur, suber.


notes

The sexual generation is not known.

synonym

Cynips quercustozae; Andricus, Cynips, kiefferi Cabrera, 1987).
The “Cynips kiefferi” Cabrera that is depicted and described by Houard, basing himself on a work by Kieffer, 1900, is a different species. It concerns a galling of an acorn, perhaps A. dentimitratus.

inquilines

Ceroptres clavicornis; Synergus hayneanus, pallidipennis, umbraculus.

references

Bellmann (2012a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Buhr (1965a), Cerasa (2015a), Chireceanu, Chiriloaie, Teodoru & Sivu (2015a), Dauphin & Aniotsbehere (1997a), Hellrigl (2009a, 2010a, 2012a), Hellrigl & Bodur (2015a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kwast (2012a, 2014a), Melika & Bechtold (2001a), Meika (2006a), Melika, Csóka & Pujade-Villar (2000a), Marković (2014a, 2015a), Mete & Demirsoy (2012a), Nieves-Aldrey (1983a, 2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Pujade-Villar, Kwast, Thuroczy & Bellido (2002a), Pujade-Villar, Melika & Csóka (2000a), Shachar, Melika, Inbar & Dorchin (2018a), Tavares (1905a), Tomasi (2012a, 2014a).

mod 22.viii.2019