Homemade fly trap that actually works 1 quart jar, with lid cup vinegar cup sugar Water Puncture some medium holes in the lid. Add the sugar & vinegar, then top with water. Screw on lid & place jar where the flies are a nuisance.
35 Ways to Get Rid Of Flies & Keep them Away Forever. works great: warm water, drops of dish soap, tsp borax, mix in a spray bottle and spray the flies; the borax dries out the exoskeleton which kills them.