Aceria cornuta (Reuter, 1890)
on grasses
Schedonorus pratensis, GH Luxemburg, RN Schlammwiss, 17.vii.2019 © Sébastien Carbonelle: healthy and infected inflorescence
gall
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.
notes
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.
synonyms
Eriophyes cornutus.
references
Buhr (1964a, 1965a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Reuter (1900a, 1902a), Roivainen (1950a), Roskam (2009a), Tomasi (2014a).