The mosquitoes are a family of small, midge-like flies. Although a few species are harmless or even useful to humanity, most are considered a nuisance because they consume blood from living vertebrates, including humans. The females of many species of mosquitoes are blood-eating pests. In feeding on blood, some of them transmit extremely harmful human and livestock diseases, such as malaria, yellow fever and filariasis.

• Mosquitos are attracted to chemical sensors (like carbon dioxide), visual stimuli (like movement or contrasting colors) and heat.
• Like all flies, mosquitoes go through four stages in their lifecycles: egg, larva, pupa, and adult.
• In most species, adult females lay their eggs in stagnant water; some lay eggs near the water's edge; others attach their eggs to aquatic plants.