After the identification of the species morphologically based on slides and needle-fixed specimens.Results: A list of blackfly species in Gansu and a discussion were given.

• 方法：选择甘肃5个不同的代表性地区，采用常规方法采集幼蚋，经隔离培养育出成虫，制片、鉴定、编制名表并进行相关讨论。