Plant Parasites of Europe

leafminers, galls and fungi

Erysiphe robiniae

Erysiphe robiniae Gréville, 1824

on Caragana, Robinia

gall

mycelium amphigenous, almost persistent. Appressoria lobed, single or paired. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 2-9 asci, that contain 3-5 spores. Appendages 6-25, equatorial and sub-equatorial, 2-8 x the diameter; they have 1-6 septs, are rather stiff, hyaline or light brown, often verruculose; the tips often simple, sometimes one or more times irregularly branched.

host plants

Fabaceae, oligophagous

Caragana arborescens; Robinia ? hispida, pseudoacacia, viscosa.

references

Braun & Cook (2012a), Klenke & Scholler (2015a), Kruse (2019a).

Last modified 20.vii.2019