Havn't had a Diamond Back but saw a Silver Y (Autographa gamma) yesterday daytime at Rickneys Quarry north of Hertford and had one in my trap this morning in nearby Bengeo. Also Red Admirals (Vanessa Atalanta) in Harlington, Middlesex on 9/5/98, Near Weston, Herts (2) 10/5/98 and Ware, Herts (12/5/98) Andrew Wood Bengeo Herts UK