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

underside

Erysiphe euonymicola on Euonymus japonicus

more extensive mycelium

Erysiphe euonymicola  conidiophore

conidiophore

Erysiphe euonymicola: appressoria

mycelium with appressoria

Erysiphe euonymicola: conidia

conidia

gall

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.

hostplants

Celastraceae, narrowly monofaag

Euonymus fortunei, japonicus.

synonyms

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

references

Beenken & Senn-Irlet (2016a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Klenke & Scholler (2015a), Kruse & Jage (2014a), Mułenko, Piątek, Wołczańska ao (2010a), Tomasi (2012a), Negrean & Anastasiu (2006a).

mod 8.vi.2018