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1986～1989年间,系统调查了甘肃河西甜菜种植面积较大的11个县(市)的30个乡、87个村和3个场(站)的甜菜地,田间取样点3985个,样点面积总计为14165m~2,搜集甜菜象虫8316头。经过鉴定,初步明确了在甘肃河西甜菜种植区为害甜菜的象虫有以下种类: 1 方喙象亚科 Cleoninae 1.甜菜象 Bothunoderes punctiventris Germar 2.二脊象 Pleurocleonus solicitus Gyllenhyl 3.二斑尖眼象 Chromonotus bipunctatus Zoubkolf Chromonotus bipunctatus fr.humeralis Zoubkolf
During 1986-1989, the beet fields of 30 townships, 87 villages and 3 fields (stations) of 11 counties (cities) with larger beet cultivation in Hexi of Gansu Province were systematically investigated. There were 3985 field sampling sites A total of 14165m ~ 2, collecting beetle insects 8316 head. After identification, initially identified in the sugar beet plantation in Gansu beetles insects have the following species: 1-bearded as subfamily Cleoninae 1. Beet species Bothunoderes punctiventris Germar 2. two ridge like Pleurocleonus solicitus Gyllenhyl 3. two speckles Chromonotus bipunctatus Zoubkolf Chromonotus bipunctatus fr.humeralis Zoubkolf