A rare and local species in Belgium.
larva lives on the seeds of various species of Carex. Hibernates as a larva in the spikes of the food plant.
diurnal adults fly in one generation a year; from late April towards
June and can be seen feeding on the flowers of the food plant.
ID; this species is distinguished from G. simpliciella, G. schoenicolella, G. equitella and G. haworthana by the clear silver dot in the blackish apical spot.
Hainaut, Labuissière, 01 May 2008.
fresh specimen (Photo © Jean-Yves Baugnée)