Do Bug Zappers Work? Q. I believed I learn somewhere that bug zappers don’t actually work. My neighbor’s zapper is driving me crazy with that ZZZZT noise all evening. I’d like to show him proof that every one he’s doing is annoying his neighbor. A. Yes, there is a few scientific data on the usefulness of bug zappers, but first we'd like to differentiate between the bug zappers that homeowners use of their yards to (hopefully) kill mosquitoes, and the business insect light traps that pest management professionals use mostly in restaurants, food plants, and warehouses. These expensive business traps are used mainly to kill house flies they usually do work. The relatively inexpensive yard bug zappers kill loads of flying insects, simply not mosquitoes. Bug zappers use ultraviolet mild to draw mosquitoes to a steel grid where they're electrocuted or "zapped." Folks that own these traps swear by them. They point to the piles of useless insects that they empty out of the lure every morning. And people insects do appear like mosquitoes. But largely they are midges, harmless fliers that do not bite and Zap Zone Defender are considered helpful. Bug zappers truly appeal to and Zap Zone Defender Setup kill very few mosquitoes. Instead, the ultraviolet mild draws hordes of insects into the yard that wouldn’t have been there in any other case. Yard zappers have never fared very nicely in analysis tests. One examine discovered that 89% of the zapped insects had been midges