Plant Parasites of Europe

leafminers, galls and fungi

Urocystis agrostidis

Urocystis agrostidis (Lavrov) Zundel, 1953

on Agrostis


Elongate narrow blisters between the nerves of the leaf. The brownish black spore balls that are released here consist of 1-4 spores, wrapped in a continuous layer of smaller sterile cells.

host plants

Poaceae, monophagous

Agrostis capillaris, gigantea & subsp.maeotica, stolonifera.


The infestation resembles that by U. tessellata, but the number of spores in a “ball” is here 1-4(5) (against 1-10(19) in tessellata).


Almaraz (1998a), Klenke & Scholler (2015a), Redfern & Shirley (2011a), Savchenko & Heluta (2010b, 2012a), Scholz & Scholz (2013a), Spooner & Leon (2006a), Vánky (1994a).

Last modified 25.iii.2019