Plant Parasites of Europe

leafminers, galls and fungi

Hyaloperonospora erophilae

Hyaloperonospora erophilae (Gäumann) Göker, Voglmayr, Riethmüller, Weiß & Oberwinkler, 2003

on Erophila

Hyaloperonospora erophilae on Erophila verna

Erophila verna, Belgium, prov. Limbourg, Linkhout, 23.iii.2021 © Carina Van Steenwinkel

Hyaloperonospora erophilae on Erophila verna


Hyaloperonospora erophilae conidiophore


Hyaloperonospora erophilae conidiophore

conidiophore, ultimate branchings

Hyaloperonospora erophilae conidiophore: conidium


Hyaloperonospora erophilae conidiophore: oogonia

the oogonia in the host plant’s tissue are visible even with the naked eye.

Hyaloperonospora erophilae conidiophore: oogonium

toung oogonium

Hyaloperonospora erophilae conidiophore: oogonium

,mature oogonium

Hyaloperonospora erophilae: haustoria

haustoria in a host plant’s cell

Hyaloperonospora erophilae on Erophila verna

Erophila verna, Belgium, prov, Hainaut, Froidchapelle, 4.iv.2019 © Sébastien Carbonelle


The entire plant is disfigured. Upperside of the leaves locally bleached and galled; at the corresponding underside a greyish-white fungal bloom consisting of erect, distally strongly branched conidiophores. In the plant tissue locally oospores are formed, and particularly there galling occurs.

host plants

Brassicaceae, monophagous

Erophila verna.


Peronospora erophilae Gäumann, 1918.


Buhr (1964b), Dauphin & Aniotsbehere (1997a), Dietrich (2013a), Doppelbaur, Huber & Poelt (1965a), Göker, Voglmayr, Riethmüller ao (2003a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Müller & Kokeš (2008a), Săvulescu (1948a), Voglmayer & Göker, (2011a).

Last modified 14.iv.2023