Elachista albidella (=Biselachista), Nylander, [1848]

General Information
This moth has a whiter forewing than the similar species.

The larvae produce a gallery mine down the leaf.

Wingspan: 9-10mm.
Foodplant(s): Common Cottongrass (Eriophorum angustifolium), sedges (Carex spp.)
Flying: Two overlapping generations, June-August

Habitat

Wet bogs and acid heaths.