Plant Parasites of Europe

leafminers, galls and fungi

Thecaphora affinis

Thecaphora affinis Schneider, 1874

on Astragalus

Thecaphora affinis galling fruits of Astragalus glycyphyllos

Astragalus glycyphyllos, Belgium, prov. Namur, Doische, Niverlée, RN Coupu tienne © Stéphane Claerebout: galled fruits

Thecaphora affinis galling fruits of Astragalus glycyphyllos

opened fruit


the pods are swollen and deformed; the seeds are changed into a reddish brown granular powdery mass of spore balls. A spore ball consists of 4-20 spores (not surrounded by a layer of sterile cells, as in Urocystis). The fungus is systemic, practically all fruits of a plant are infested.

host plants

Fabaceae, monophagous

Astragalus alpinus, australis, glycyphyllos, penduliflorus.


Brandenburger (1985a: 279), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Ivić, Sever, Scheuer & Lutz (2013a), Klenke (2002a), Klenke & Scholler (2015a), Kruse (2019a), Kruse, Kummer, Shivas & Thines (2018c), Mayor (1975a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a, Tomasi (2014a), Vanderweyen & Fraiture (2014a), Vánky (1994a), Vánky, Lutz & Bauer (2008b).

Last modified 23.iv.2023