Animated coloured scanning electron micrograph (SEM) of Male mosquito brush antenna whorls (Anopheles quadrimaculatus). The female Anopheles quadrimaculatus is the Eastern malaria carrier. Anopheles is a genus of mosquito from the family Culicidae. There are approximately 400 species of the Anopheles mosquito, 30 to 40 transmit four different species of the parasite, Plasmodium, that causes malaria. Anopheles stephensiis the main urban mosquito vector of malaria in the Indian subcontinent. Malaria is one of the most common infectious diseases and an enormous public-health problem. The most serious forms of the disease are caused by P. falciparum and P. vivax. The parasites, transmitted by the female mosquito when she sucks blood, multiply within red blood cells, causing symptoms that include symptoms of anaemia, as well as other general symptoms such as fever, chills, nausea, flu-like illness, coma and death.