If you’re struggling to get rid of flies this summer, then why not try making a yeast trap? Zero In Zero in Ultra Power Xl Outdoor Fly Trap £8.50 at B&Q If flies are ruining your outdoor hosting, this huge trap can catch up to 40,000 flies per fill, and attracts flies from 10 meters away. Westland Westland Window Fly Fruit Fly Trap, Pack of 4 £6.50 at B&Q Fitting neatly in the corner of your windowsill, this fly trap is nowhere as visually unappealing as the others. Super Ninja Super Ninja Fruit Fly Trap £6.99 at Amazon UK This trap lasts up to three weeks and is designed to catch fruit flies. If you’re looking for an easy, cheap and most importantly effective way to get rid of flies this summer, give this yeast trap a try.