Last modified: April 11, 2021, 12:13 p.m.
A rare species in Belgium.
The highly mobile and distinctly patterned larva lives on different species of Poaceae. It feeds within a grass blade spun to form a linear roll, changing rolls several times before pupation.
The adults come to light.
The adults fly in one generation a year: from early July till early September.
The larva lives on different species of Poaceae, like: Calamagrostis epigejos, Dactylis glomerata, Elytrigia repens or Phragmites australis.