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蛴螬是危害农作物的主要地下害虫之一,临夏县川、塬、旱、水地均有发生。调查中发现8种,其中以云斑腮金龟(虫甲)为最多,占71.6%。据1978年北塬21个点的调查,平均每平方米有17.6头,最多的达153头;1979年在南垅公社马家庄大队24亩蚕豆带田调查,平均每平方米有43头,最多的有64头,被害株率47.6%。对小麦、洋芋等农作物的危害非常严重。小麦受害株率达10%以上,产量损失最高达30%;在洋芋整个生育期,被害枯萎的植株在12%以上,薯块受害率高达62%。全县农作物受害面积达31万余亩。
It is one of the major underground pests that endanger crops. Chuan, highland, drought and water in Linxia County have occurred. Eight species were found in the survey, of which the most was the cloud cheek beetle (insects), accounting for 71.6%. According to a survey of 21 spots in the Beiyuan in 1978, there are an average of 17.6 heads per square meter and a maximum of 153 heads. In 1979, in a survey of 24 hectares of broad beans in Majiazhuang Brigade in Nanxun commune, with an average of 43 heads per square meter, Up to 64, the victim plant rate of 47.6%. The damage to crops such as wheat and potato is very serious. Damage rate of wheat plants reached more than 10%, yield loss up to 30%; in the whole growth stage of potato, the withered plants withered more than 12%, the incidence of tuberculosis as high as 62%. The county crop area of 310000 acres.