Fly trap
1/4 cup of. Vinegar
1/4 cup of. sugar
Water

Put first 2 ingredients in and put enough water in a jar to make it about 1/2 full and punch a couple holes in the lid. Works great! Good for Patio's or barns

Fly paper
The following will make a six 18inch strips of fly paper that will be irresistible to flies.
4 fl oz Golden Syrup
1 tablespoon dark brown sugar
1 tablespoon granulated sugar

Combine the ingredients in a small bowl and then place six 18 inch strips of brown paper in a flat container and cover them with the sticky mixture. Leave  them to soak overnight. Next day scrape off all the excess mixture make a little hole in one end and insert a string. Hang near open doorways and windows.

Warning. Watch where you hang these because I once got one tangled in my hair. NOT NICE...