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甜菜象虫为东北、内蒙古.新疆及山东等甜菜产区苗期主要害虫,危害甜菜严重,据1979～1980年在黑龙江省调查,危害甜菜象虫有8种之多,其中以甜菜长柄象、蒙古土象和甜菜象为优势种,每年发生面积有46万亩,毁、补种面积为14万亩以上,使甜菜减产11～25％,为了控制该虫的危害,我们于1980～1982年在黑龙江省安达、肇东及阿城等县用甲基硫环磷、呋喃丹等十余种制剂进行了防治试验和生产示范,其结果如下:
Beetle insects as the northeast, Inner Mongolia. Xinjiang and Shandong sugarbeet producing areas of the main pests, endangering sugar beet serious, according to the survey from 1979 to 1980 in Heilongjiang Province, endangering beetle insects as many as eight, of which beetle long handle image , Mongolian soil elephant and beet as the dominant species, the annual area of 460,000 mu, destruction, replanting area of 14 million mu or more, so that the beet yield 11 to 25%, in order to control the insects harm, we in 1980 ~ 1982 In Heilongjiang Province Anda, Zhaodong and Acheng and other counties with methyl sulfide phosphorus, carbofuran and other more than 10 kinds of preparations for prevention and control and production demonstration, the results are as follows: