very rare species in Belgium, confined to four provinces in the
northern part of the country. First encountered in 1968 in the province
larva lives on Phragmites australis. Hibernates as an egg and pupates in an old dry reed stem.
adults fly from mid June till late August in one generation. They come to light.
ID: easily confused with A. dissoluta,
but this species is slimmer, a little bit smaller, has diagnostic
white edges on thorax and lacks the central spots on underside of
West-Vlaanderen, Oostende, 18 July 2005.
© Erik Vanloo)