Ustacystis waldsteiniae (Peck) Zundel, 1945
on Waldsteinia
gall
parts of the leaf venation are modified into elongated greyish striae, filled with a blackish brown mass of spores.
hostplants
Rosaceae, monophagous
Waldsteinia geoides.
references
Klenke & Scholler (2015a), Lotze-Engelhard (2010a), Vánky (1994a), Vánky, Lutz & Bauer (2008b).