Plant Parasites of Europe

leafminers, galls and fungi

Erysiphe arcuata

Erysiphe arcuata Braun, Heluta & Takamatsu, 2006

on Carpinus

Erysiphe arcuata on Carpinus betulus

Carpinus betulus, Belgium, prov. Antwerp, Geel, 19.x.2018 © Carina Van Steenwinkel: cleistothecia

Erysiphe arcuata on Carpinus betulus

appendages

Erysiphe arcuata on Carpinus betulus

detail

Erysiphe arcuata on Carpinus betulus

ascus

gall

mycelium amphigenous but mainly epiphyllous, sometimes causing some malformation. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 4-10 asci, that generally contain 5 spores. Appendages 10-20, mainly equatorial, 1.5-3 x the diameter; they are unbranched, rather stiffly curved, mostly rough, brown near the base and have there a single sept; the very tip is closely circinate.

host plants

Betulaceae, monophagous

Carpinus betulus.

synonyms

Erysiphe carpinicola: Wołczańska (2007a); Oidium carpini Foitzik, 1995

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references

Beenken & Senn-Irlet (2016a), Braun & Cook (2012a), Bresinsky (2016a), Henricot (2009a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015), Kruse (2014a, 2019a), Leysen (2013a), Mułenko, Piątek, Wołczańska ao (2010a), Ruszkiewicz-Michalska & Michalski (2005a), Scheuer & Bechter (2012a), Świderska, Wołczańska, Kozłowska ao (2005a).

Last modified 6.viii.2020