Mass murderer
Anopheles gambiae
The main vehicle of the deadliest malaria parasite, Plasmodium falciparum, these mosquitoes contribute to the death of more than a million people a year.
Distribution: Tropical Africa.
Breeding habitat: Shallow pools and puddles--often in hoofprints and tire ruts--near human dwellings.
Feeding: Bites humans almost exclusively; has an apparent penchant for smelly feet.
Diseases: Also transmits the O'nyong-nyong virus and worms that cause lymphatic filariasis, a disfiguring and incapacitating disease.