Plant Parasites of Europe

leafminers, galls and fungi

Andricus insanus

Andricus insanus (Westwood, 1837)

on Quercus


the galls strongly resemble those of A. quercustozae but they are permanently viscous (those of quercustozae only when young) and the spines are not arranged in a neat circle, but rather scattered in several circles.


Fagaceae, monophagous

Quercus frainetto, infectoria & subsp. veneris, pubescens.

distribution within Europe

PESI (2024).


Cynips insana.


Hellrigl (2010a), Hellrigl & Bodur (2015a), Houard (1908a), Kemal & Ko├žak (2010a), Pujade-Villar, Kwast, Thuroczy & Bellido (2002a), Schimitschek (1939a).

Last modified 2.i.2024