Plant Parasites of Europe

leafminers, galls and fungi

Polystepha quercus

Polystepha quercus Kieffer, 1897

on Quercus


Lenticular gall in the blade, c. 4 mm ø; often several per leaf. The larva leaves the gall via a hole in the underside.

host plants

Fagaceae, monophagous

Quercus robur.

distribution within Europe

(PESI, 2019).


The galls of Polystepha malpighi and P. quercus can only be identified reliably by breeding.


Buhr (1965a), Gagné (2010a), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý & Dengler (1997a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).

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