They emit ultra-high frequency sound waves that are supposed to repel pests, including creepy-crawly pests like ants and roaches, and rodents like mice and rats. The noise is too high-pitched to be heard by humans or by pets like cats or dogs. If you have pets like guinea pigs, hamsters, or gerbils, though, the noise may disturb them. The idea is that the sound will be intolerable to pests and keep them away.
I figured it was worth a try. After having my friend get rid of the bats currently in the house, I plugged the ultrasonic pest device in my bathroom. Then I went online to do some research on these repellers and whether or not they really work.
Most ultrasonic pest control devices have a fairly limited range. It is often recommended you use a separate device for each room you want to keep free of pests. They may have a range of up to 30 feet, but walls and furniture can interfere with the transmission of the sound waves, and therefore you may need a separate unit for each room even if the room is smaller than 30 square feet. Some devices claim to work for an entire floor of a house, however.
One exterminators of the first sign termites infested your home is uncovering winged termites inside. Some termites infestation can go unnoticed because often times, many people confused winged termites with ants, which often swarmed around the same time of the year. However, termites differ because they have straight antenna, uniform waist, and wings of equal size. Ants, on the other hand, have constricted waist, elbow antenna, and fore wings longer than their hind wings.
So whether its pigeons, sparrows, seagulls, starlings, crows or geese, bird pests can cause all sorts of problems. Not the least of which is the high concentration of uric acid found in bird droppings. It can discolor paint, stain wood, erode metal, even crumble concrete and expensive stonework. And dont forget the health risk of bacteria fungi and parasites that live and grow in bird termite control droppings which can carry and transmit any of known diseases. The fleas, mites and ticks that attach themselves to birds can also carry disease. All told, the costs to cleanup and repair what pest birds do runs into the millions of dollars annually.
Study and learn everything you can about naturally controlling garden pests and flies with friendly insects you can order and put out to kill them. Anytime that you can use nature to control its self your much better off.
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