Davey, P., 2009: A resident species in the Channel Islands since the 1980s, resident within the fenland region of East Anglia until 1915, and noted as a rare immigrant to south-eastern England subsequently, the larva feeding on orache (Atriplex spp.), goosefoot (Chenopodium spp.) and other herbaceous plants. This handsome and very rare visitor has been seen on nine occasions, mostly close to the coast: West Bexington, on 19 July 2006 (R Eden), Abbotsbury, floating in a small stream, then fluttered to the opposite bank and was lost, end of July 1938 (A Sperring), Marshwood, at MV on 28 July 2004 (Mrs J Baker), Upwey, at MV on 31 July 2003 (P Harris), Portland, at MV on 20 June 1998, 19 July 2003, 5 July 2006 (M Cade), Durlston, 25 July 2006 (P Davey), Iford, at MV on 30 July 1995 (M Jeffes).