Plant Parasites of Europe

leafminers, galls and fungi

Erysiphe lonicerae var. lonicerae

Erysiphe lonicerae var. lonicerae de Candolle, 1815

on Lonicera

Erysiphe lonicerae var. lonicerae on Lonicera periclymenum

Lonicera periclymenum, Belgium, prov. Limburg, Zonhoven, Platwijlers © Carina Van Steenwinkel

Erysiphe lonicerae var. lonicerae: conidiophore

the basal cell of the conidiophore generally with an obvious elbow

Erysiphe lonicerae var. lonicerae: germinating conidia

Lonicera periclymenum, Belgium, prov. Antwerp, Retie, Witte Netevallei © Carina Van Steenwinkel: germinating conidia

gall

mycelium amphigenous. Appressoria lobed. Conidia formed solitary, elliptic, without fibrosin bodies. Cleistothecia with 2-8 asci, that contain 4-5 spores. Appendage 6-12, equatorial, 1-3 x the diameter; most ± straight, brown at the base, 0-3 septate. Apices 3-5 times irregularly forked in quick succession.

host plants

Caprifoliaceae, monophagous

Lonicera alpigena, x amoena, angustifolia, x bella, caerulea, caprifolium, caucasica & subsp. orientalis, etrusca, fragrantissima, x heckrottii, iberica, involucrata, japonica, nigra, periclymenum, pyrenaica, rupicola, ruprechtiana, sempervirens, xylosteum.

synonyms

Microsphaera lonicerae (de Candolle) Winter, 1884.

references

Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2019a), Ruszkiewicz-Michalska & Michalski (2005a), Schmid-Heckel (1985a), Talgø, Sundheim, Gjærum, Herrero, Suthaparan, Topp & Stensvand (2010a), Wołczańska & Mułenko (2002a).

Last modified 6.viii.2020