中文摘要：

对陕甘宁蒙沙漠地区蚁科昆虫标本进行系统的采集,获得蚂蚁种类3亚科,14属,41种.在分类的基础上,对本研究区域蚂蚁种类的区系组成特点进行讨论,结合地形、气候、植被等将本调查区蚁科昆虫区系划分为4个蚁类区：①阿拉善高原蚁类区;②鄂尔多斯高原蚁类区;③贺兰山蚁类区;④大罗山蚁类区.

英文摘要：

After systematically collecting the ants specimen in deserts region in Shaanxi, Gansu, Ningxia and Inner Mongolia,41 species of ants which belonged to 3 subfamilies, 14 genera were collected. Based on the taxonomy, the characteristics of faunal component of ant specimen in research area are discussed. According to terrain, climate and vegetation, the ant insect fauna of the research area also are divided into four ant distributing regions, which were （1） Alashan Plateau; （2） Ordos Plateau; （3） Helan Mountain; （4） Daluo Mountain.