Plant Parasites of Europe

leafminers, galls and fungi

Aceria cornuta

Aceria cornuta (Reuter, 1890)

on grasses

cf Acerian cornuta on Schedonorus pratensis

Schedonorus pratensis, GH Luxemburg, RN Schlammwiss, 17.vii.2019 © Sébastien Carbonelle: healthy and infected inflorescence


The inflorescence is more or less disfigured, parts of the spikelets are leaflike.

host plants

Poacea, oligophagous

Agrostis stolonifera; Alopecurus pratensis; Avenula pubescens; Elymus; Elytrigia repens; Leymus arenarius; Phleum pratense; Poa bulbosa, pratensis; Schedonorus arundinaceus, pratensis; Sesleria caerulea.


This mite species is often encountered together with Aceria tenuis; they live primarily in the length grooves over the leaves. The relationship between both species, and their contribution to the galling of the host plant, is not clear.


Eriophyes cornutus.


Buhr (1964a, 1965a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Reuter (1900a, 1902a), Roivainen (1950a), Roskam (2009a), Tomasi (2014a).

Last modified 13.ix.2019