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

gall

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.

references

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

mod 20.vii.2019