Last modified: Sept. 16, 2023, 9:54 a.m.
A rather common species throughout Belgium.
Native
Hibernates as a larva. Feeds inside stems, then eats out a chamber at the base of the food plant, in which it pupates.
The adults come to light and sugar.
The adults fly from late June till mid-September in one generation.
The larva lives on different species of Gramineae including: Arrhenatherum elatius, Festuca ovina or Deschampsia cespitosa.