Hyaloperonospora praecox Voglmayer & Göker, 2011

on Erophila

Erophila verna, Belgium, prov. Antwerp, Mol, Leeuwerikenheide, 2.iv.2021 © Carina Van Steenwinkel: the plant, although infected, is not malformed

the apical parts of the older larvae are infected

the down is loosely dispersed over the leaf

conidiophore

ultimate brachings

oogonia embedded in the leaf tissue

oogonium

a pear-shaped haustorium

gall

The plant is not disfigured, and the leaves are not bleached or galled; at the tip of the older leaves of the rosette a faint fungal down, consisting of erect, distally strongly branched conidiophores.

host plants

Brassicaceae, monophagous

Erophila verna.

references

Chater, Woods, Stringer, ao (2020a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2014a), Voglmayer & Göker (2011a).