Mosquitoes are evolving to survive common backyard sprays - WRAL
Mosquitoes in Wake County are rapidly developing resistance to some of the most common insecticides used to kill them, forcing backyard-spraying companies to confront whether their own treatments may be contributing to the problem. Two new studies from North Carolina State University tracked the emergence of a genetic mutation associated with resistance to pyrethroids, a class of insecticides commonly used by homeowners and pest-control companies.