Extinct in Flanders in 1994, and now only
known from two localities in the province of Luxembourg. Status
critical endangered! This species is with 20-50 % declined the last 25 years in whole Europe.
larva lives mainly on Eriophorum vaginatum, but also on Eriophorum angustifolium. Hibernates as a larva.
adults fly in one generation a year: from end May till beginning of August, with a peak from 10 June towards 20 July.
Luxembourg, 13 July 2003.
(Photo © Chris Steeman)