In Flanders confined to Limburg and in the south of Belgium mainly occurring in the limestone area. Populations are declining everywhere. Lower risk.

The 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.

The 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.

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