一九七七年我们以士默特左旗沙尔营和白庙子两个公社为基点,继续研究甜菜根蛆的发生为害规律及其防治措施。现将结果汇总如下,以供参考。一、为害与分布根蛆是斑蝇(Tetanops SP.)的幼虫。初步调查其寄主有甜菜、菠菜及杂草灰菜等,但主要为害甜菜,所以叫甜菜根蛆。甜菜根蛆主要为害甜菜根毛,破坏根系对水分、养分 In 1977, we started with the communes of Shia Camp and Baimiaozi in Simmehuozuo, and continued to study the law of the damage and the prevention and cure measures of beet maggot. The results are summarized below, for reference. First, the damage and distribution Root maggot is the flies (Tetanops SP.) Larvae. The preliminary investigation of its host beet, spinach and weeds, etc., but mainly harm beet, so called beetroot maggot. Beetroot maggot mainly affects beetroot hair, damaging roots to moisture and nutrients