After exhaustive and extensive tests carried out under strict laboratory conditions at our,' summer residence ', we can conclude that, so far, after nearly 3 years of the b*stards,the best fly deterants  are available from the china shop near Lidls.They are the  small  ‘LUCKY’  hurricane lamps at 2.50 euros  with citronella oil ( 2 ailses down). 6,almost fly free days with meals has drawn us to this epic conclusion and if it carries on like this,wifey says with a glint in her eye over her readers,I might get a special present for my birthday.......