Last modified: Feb. 24, 2023, 1:46 p.m.
A very rare species in Belgium.
Native
The wingspan is 8-9 mm.
The larva is yellowish green or grey, with a brown or black head and a light brown prothoracic plate.
Dissection is recommended to separate the adult from the very similar Elachista albidella and Elachista eleochariella. More images
The larval mine appears from March to May.
Pupation is under a girdle in the angle of a leaf, with emergence from May to early August.
From May till the end of august, may be bivoltine.
Mostly on: Carex acutiformis, C. paniculata or C. vesicaria.
Mostly in wet or acid areas.