Schroeteria delastrina (Tulasne) Winter, 1881

on Veronica

Veronica arvensis, Belgium, prov. Antwerp, Balen, de Most, 23.v.2021 © Carina Van Steenwinkel: the plants are developed normally,

even the fruitlets

detail

the spores are transformed into a powdery mass

spores

spores

gall

ovaries not disfigured, their contents is modified into a bluish-grey to greyish-black mass of spores.

host plants

Plantaginaceae, monophagous

Veronica acinifolia, agrestis, arvensis, officinalis, praecox, triloba, triphyllos, verna.

references

Ainsworth & Sampson (1950a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Kruse (2019a), Redfern & Shirley (2011a), Savchenko & Heluta (2012a), Tomasi (2014a), Vánky (1981b, 1994a).