1970年以来,麦水蝇(Hydrellia sp.)在我省普遍危害,成为麦类上的重要害虫之一,被害重的麦田可减产一两成。经调查,此虫在陕西、甘肃、青海等省发生危害也较严重。就将其生物学特性部分简报如下。 Since 1970, Hydrellia sp. Has been widely endangered in our province and has become one of the major pests on cereals. The harvested wheat fields can be reduced by 10% or 20%. After investigation, the insects in Shaanxi, Gansu, Qinghai and other provinces are also more serious damage. Some of its biological characteristics will be briefed as follows.