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Anopheles gambiae mosquito, female

Closeup of a mosquito on a human finger, in the process of obtaining a blood meal through the skin of its human host. The mosquito is medium brown in color with golden iridescent hues in some of its hairs. Its eyes are dark green.

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)

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