Schroeteria decaisneana (Boudier) de Toni, 1888

on Veronica

Veronica hederifolia, Belgium, prov. Limbourg, Lanaken, Dal van de Grensmaas, Hochter Bampd, Herbricht, 28.v.2021 © Carina Van Steenwinkel: in this extensive population only a few plants were infected

infected plants appear normal

infected fruit

infected fruit

detail

sections through a healthy fruit, and a beginning and advanced galling

hyphae and spores

spores

ornamentation of the spores

spores, sometimes in pairs, 6.5-12 µm.

gall

ovaries disfigured, their contents is modified into a blackish-grey mass of spores.

host plants

Plantaginaceae, monophagous

Veronica campylopoda, hederifolia.

references

Buhr (1965a), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Vánky (1981b, 1994a), Zwetko (1993a).