What Are Mosquito Coils and Do They Work? | INSECT COP
Jan 21, 2020·The Invention of Mosquito Coils. The use of mosquito coils as a method of repelling mosquitoes began in the last decade of the 19th century. A Japanese couple, Eiichiro and Yuki Ueyama, invented the first mosquito coil. They began by simply burning sticks made of pyrethrum powder and starch, but these sticks lasted less than an hour.