A key step in mosquito mating is auditory: Male mosquitoes detect the precise buzz of a female nearby, often in the midst of large swarms of other mosquitoes. A new study identifies a specific neurotransmitter chemical, octopamine, linked to mosquito hearing, suggesting that targeting it with insecticide could be a new potential avenue for mosquito management. Shown here is a female Anopheles gambiae mosquito, the species examined in the new study and a primary vector of malaria. (Photo by James D. Gathany, CDC Public Health Image Library)