About 460 species are recognised ; while over 100 can transmit human malaria , only 30 -- 40 commonly transmit parasites of the genus `` Plasmodium '' , which cause malaria in humans in endemic areas .
There about 460 species , and over 100 can transmit human malaria . Only 30 -- 40 commonly transmit parasites of the genus `` Plasmodium '' , which causes human malaria in endemic areas .