Mimics naturally occurring human skin scents or odors which attracts mosquitoes * Attracts mosquitoes, particularly the Asian Tiger Mosquito and species that may transmit diseases such as West Nile Virus, Encephalitis and Heartworm * Recommended attractant for the Southern regions of the U.S. and in Hawaii (except Southern coastal regions where Octenol should be used) * Lures biting insects to the Mosquito Magnet trap and away from you and your family. * Replace every 21 days