In the medical field, mosquitoes are perhaps the greatest scourge of any insect pest. In much of the world, mosquitoes are the number-one public health menace, it being estimated that they transmit disease to more than 69 million people every year.
ULTRASONIC DEVICES: They do not work, not only for mosquitoes, but for repelling anything at all. There is not a single shred of scientific evidence anywhere to show that any living creature on Earth consistently avoids the source of an ultrasonic noise. The U.S. Environmental Protection Agency recently conducted a series of tests spanning two years trying many types of ultrasound devices which are purported to repel mosquitoes. Their testing grounds were the mosquito-ridden area around Chesapeake Bay. Their findings were that not one of the devices had any effect on mosquitoes at all. Various studies have been done in universities which produced the same results. Both the EPA and the U.S. Postal Service have begun prosecuting manufacturers of ultrasonic repelling devices because they are making unsupported claims for their products.
BUG ZAPPERS: Oh, no, I hear you cry, those electric purple bug zappers really do kill mosquitoes, I’ve seen them! Yes, along with completely innocent and even beneficial species such as moths, bees, ladybugs, and dragonflies, and it’s the dragonflies which, by the way, really are the greatest natural predators of mosquitoes! If a bug zapper gets a mosquito, it was pure luck that the mosquito just happened to blunder into it. You would need about a hundred of them around you to keep from being bitten.
Good luck in fighting them. Remember that eradicating the mosquito menace is difficult because they were here at least 165 millions years before we were!
Read more THE IMPACT OF MOSQUITOES ON WORLD HEALTH