Nectar for Males... Blood for Females
Everyone knows that only female mosquitoes bites humans and drinks their blood. Doing so, they also transmit malaria, a fatal disease. Although male mosquitoes are much bigger than females, they are not harm full for humans, becuase they are nectar feeders. Since certain proteins are needed for reproduction, female mosquito uses blood to produce eggs. There is actually a species of mosquitoes that never drinks blood. Those are Toxorhynchites mosquitoes.