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
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).