【摘要】 根根盐池县植被类型和地理、地貌等特点,该县昆虫地理区划可划分为干草原区和荒漠草原区两个基本区域;昆虫组成有两大区系成分,即古北界中亚亚界蒙新区西部荒漠成分相古北界华北区黄土高原成分;昆虫分布以蒙古和亚洲中部种类居多,华北和中国中部种类次之。更多还原

【Abstract】 In this paper, the autheor tries to express his wiew on the ecological ge-ographical division of Insects in Yanchi County of Ningxia autonomous Regi-on. This county may be divided into two subregions: the subregions of arid grassland and desert grassland. Preliminary analysed characteristic of insects fauna dach subregions, with relation to plants, geography and geomopholo-gy ete.更多还原