It casts its proboscis back and forth under the skin, sawing through tissue and probing in 10 second until it strikes a small blood vessel, or capillary.

• 蚊子咬后刺痒的感觉不是由于其口器插入或蚊子唾液中的蛋白造成的而是我们对其的免疫反应产生的。