Plant Parasites of Europe

leafminers, galls and fungi

Ophiognomonia leptostyla

Ophiognomonia leptostyla (Fries) Sogonov, 2008

walnut anthracnose

on Juglans

Ophiognomonia leptostyla on Juglans regia

Juglans regia, Belgium, prov. Flemish Brabant, Houwaart © Carina Van Steenwinkel

Ophiognomonia leptostyla on Juglans regia

infect leaf, upperside

Ophiognomonia leptostyla on Juglans regia

underside

Ophiognomonia leptostyla acervuli on Juglans regia

detail; the acervuli generally are arranged in circles

Ophiognomonia leptostyla acervuli on Juglans regia

acervuli

Ophiognomonia leptostyla: conidia

conidia

parasite

The teleomorph develops in the fallen foliage. Here globular perithecia are formed with a charactic long and thread-thin neck.

host plants

Juglandaceae, monophagous

Juglans regia.

synonyms

Gnomonia leptostyla (Fries) Cesati & De Notaris, 1863; Marssonia juglandis (Libert) Saccardo, 1880; Neomarssoniella juglandis (Libert) Braun, 1991.

references

Brandenburger (1985a: 35), Ellis & Ellis (1997a), Kruse (2019a), Roldan Garrigós & Honrubia García (1992a), Roques, Cleary, Matsiakh & Eschem (2017a), Ruszkiewicz-Michalska (2006a), Scheuer & Bechter (2012a), Unamuno (1941a, 1942a).

Last modified 30.vii.2019