With the uplift of Qinghai-Xizang Plateau and the to-and-fro of the Quarternary glaciation and interglaciation, the muscid fauna was distinctly diversified in habitat and vertical zone.

• 青藏高原的横空崛起以及第四纪冰期-间冰期的循环往复，导致该地区生境千差万别，使蝇科区系不仅有地域分异，且垂直差异显著。