Plant Parasites of Europe

leafminers, galls and fungi

Erysiphe euonymicola

Erysiphe euonymicola Braun, 2012

on Euonymus

Erysiphe euonymicola on Euonymus japonicus

Euonymus japonicus, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel

Erysiphe euonymicola on Euonymus japonicus


Erysiphe euonymicola on Euonymus japonicus

more extensive mycelium

Erysiphe euonymicola  conidiophore


Erysiphe euonymicola: appressoria

mycelium with appressoria

Erysiphe euonymicola: conidia



mildew forms dense persistent patches on the leaves. Cleistothecia with 4-8, apically several times dichotomously branched appendages, about 1-1.3 times their diameter.

host plants

Celastraceae, narrowly monofaag

Euonymus fortunei, japonicus.


Erysiphe euonymi-japonici (Arcangeli) Braun & Takamatsu, 2000; Microsphaera euonymi-japonici (Arcangeli) Hara, 1921; cf Braun & Cook (2012a).


Beenken & Senn-Irlet (2016a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a), Kruse (2019a), Kruse & Jage (2014a), Mieslerová, Sedlářová, Michutová, ao (2020b), Mułenko, Piątek, Wołczańska ao (2010a), Roques, Cleary, Matsiakh & Eschem (2017a), Tomasi (2012a), Negrean & Anastasiu (2006a).

Last modified 30.xi.2021