Earlier, he investigated the mosquito's role in transmitting malaria and dengue.
In other areas of the world, mosquitoes transmit malaria and Dengue fever.
But if you're a mother in tropical Africa, a biting mosquito is one of your worst fears, because it can transmit malaria.
This turned out to be a cluster of six different species, some of which transmit malaria, and some do not.
There are about 460 species of Anopheles mosquito, but only 68 transmit malaria.
The mosquito responsible for transmitting malaria has proved extremely resilient to the various methods of dealing with it down the years.
He did this by showing that certain mosquito species transmit malaria to birds.
It has long been known that fewer than 10 percent of any swarm of mosquitoes in the wild will transmit malaria.
None of the species in this genus transmit malaria.
This complex has subsequently been revised to a total of seven species of which five transmit malaria.