Plant Parasites of Europe

leafminers, galls and fungi

Callirhytis glandium

Callirhytis glandium (Giraud, 1859)

on Quercus, agamous generation

Callirhytis glandium: gall chambers in acorn of Quercus robur

Quercus robur (from Houard, 1908a)


The interior of an acorn has become hard and is partly or entirely transformed into a mass of fused gall chambers; at the outside the acorns hardly show any change. The development of the wasps in the gall takes two to seven years.

host plants

Fagaceae, monophagous

Quercus cerris, faginea, ilex, petraea, pubescens, pyrenaica, robur, suber.

sexual generation


Gall chambers under the bark on unchanged one-year twigs; only the eventual appearance of exit holes betrays their presence. See Callirhytis spec.

host plants

Fagaceae, monophagous

Quercus cerris, ilex, robur, suber.

distribution within Europe

PESI (2024).


Andricus girardi da Silva Tavares, 1902.


Askew (1961b), Azmaz & Katılmış (2015a), Buhr (1965a), Cerasa (2015a), Dauphin Aniotsbehere (1997a), Fusu (2017a), Gomez & Nieves-Aldrey (2012a), Hellrigl (2009a, 2012a), Hellrigl & Bodur (2015a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Kwast (2012a, 2014a), Melika (2006a, 2018a), Melika, Csóka & Pujade-Villar (2000a), Nieves-Aldrey (1981a, 1992a, 2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Redfern & Shirley (2011a), da Silva Tavares (1002a. 1905a).

Last modified 2.i.2024