A rare Red Data Book species, restricted to reed-beds at Walberswick and Minsmere in Suffolk, a priority species under the UK Biodiversity Action Plan. Unlikely to be recorded in Hampshire or on the Isle of Wight. Wingspan 26-29 mm. The most likely confusion species is
Brown-veined Wainscot A. dissoluta, which see for differences. Larva feeds on Common Reed, over-wintering as an egg.