Flanders confined to Limburg and in the south of Belgium mainly
occurring in the limestone area. Populations are declining everywhere.
larva lives on several species of Fabaceae, like Lotus
corniculatus, Lotus uliginosus, Hippocrepis
comosa. Hibernates as a larva in a sturdy cocoon made
of spun leaves on the ground or on the food plant.
adults fly usuallt in one generation a year; from early May
towards late June. Occasionally a second generation occurs from early
July till late August.
Namur, Lavaux Ste.-Anne, 21 July 2007.
second generation (Photo © Chris Steeman)