We independently evaluate all of our recommendations. In case you click on on hyperlinks we provide, we might obtain compensation. Keep flies and gnats off of you and your meals, indoors and out. What's BHG Recommends? When summer is in full swing and more time is spent exterior late into the evening, bug zappers can enable you concentrate on kicking back and stress-free, relatively than swatting at flies and gnats to keep them off yourselves and the cookout. Nearly all the bug zappers we tried relied on UV light to draw and entice insects with an electrified grid-other than one handheld electric system, that is. And whereas the testing consensus was that these do work, it’s essential to note that they aren’t a greater different to bug sprays or spatial repellents. In fact, Matt Frye, senior extension affiliate of new York State’s Integrated Pest Management program at Cornell University, stresses it’s crucial to pinpoint exactly what pest you have got the biggest grudge with earlier than determining how to target its elimination.