Life cycle
Mines: May-June. Adults: June-August.
Larval foodplants
Sedges, especially Carnation Sedge Carex panicea or Common Sedge Carex nigra.
History
The first for Dumfries & Galloway was swept-up near a tarn north of Mochrum Loch, Wigtownshire, on 16th July 1994 by A. M. Emmet.