Common in woodland clearings, damp meadows and marshes, both salt and fresh-water, throughout much of England, Wales and southern Ireland. In Hampshire widespread; the paucity of records from the Isle of Wight no doubt reflects historical under-recording, as evidenced by an increase in known range in recent years. Wingspan 8-10 mm. Like many of the Coleophora, imagines are virtually impossible to identify without recourse to dissection. Larva feeds within seed capsules of Compact Rush, Soft-rush, Jointed Rush, Hard Rush and Saltmarsh Rush, subsequently living within a movable case.