Only female mosquitoes actually “bite” humans. The mosquito females drink blood and the nectar of plants but the males only sip plant nectar. The female mosquito requires blood to produce eggs. Her mouth-parts are made to pierce the skin and her saliva lubricates the opening, so she can efficiently suck the blood out. She finds her victims by sight and smell, and also by detecting their warmth.
Like all insects, the mosquito has a body divided into three parts (head, thorax, and abdomen), a hard exoskeleton, and six long, jointed legs. Mosquitoes also have a pair of veined wings. They have a straw-like proboscis and can only eat liquids.