very rare species in Belgium, seldom recorded.
larva lives on different species of Luzula and Carex.
It makes a erratic meandering gallery and during the following
spring it expandes and becomes an irregular elongate blotch, it
often occupies the full width of the leaf. It pupates in a loose cocoon
adults fly in one generation a year; from late May towards early August. They come to light.
Namen, Lives-sur-Meuse, 04 May 2010.
mine on Carex flacca
(Photo © Jean-Yves Baugnée)