Polystepha quercus Kieffer, 1897

on Quercus

gall

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).

notes

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

references

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).