Local in reed-beds, and by fens, ponds and other freshwater margins throughout much of southern and eastern England. In Hampshire and on the Isle of Wight local in reed-beds, with only occasional records away from this habitat, but no doubt present in all large reed-beds in the county. Wingspan 36-40 mm. Similar to Southern Wainscot M. straminea in many respects. Larva feeds on Common Reed.
The abundance in each month is indicated as follows:
No records Very occasional Irregular Uncommon Off-peak, but not unusual Off-peak, but not unusual Main flight time