local and rare species in Belgium, mainly recorded from the northern
larva lives on Phragmites australis. Hibernates as an egg and pupates in a stem of the food plant.
adults fly from mid June till early September in one generation. They come to light and less to sugar.
ID: The frequent form 'arundinetta' can be confused with A. neurica, but the latter has central spots on the underside of the wings.
Antwerpen, Viersel, 23 July 2004.
f 'arundinetta' (Photo © Maarten Jacobs)