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储藏物螨类分布面广、为害严重,在粮食中首先是吃掉胚芽、使粮食营养物质、发芽率大为下降,同时,螨类的排泄物、尸体又会污染粮食。由于螨类躯体微小,是一种不易被肉眼看得见的害螨,因而往往被保管人员所忽视,不象对待甲虫、蛾类那样采取坚决的防治措施。根据商业部“全国螨类调查工作组”的布置,我市于去年开展了螨调工作,从初步进行调查情况看,情况还是严重的,表现在:一、螨类种类增多。通过系统内外41个单位、141个点调查,初步鉴定螨类有21种,
Mites are widely distributed and severely damaged. In the grain, the germ is first eaten so that the nutrient content of the grain and the rate of germination are greatly reduced. At the same time, the excrement and body of the mite can pollute the grain. Because the mites body is tiny, it is a kind of pest that can not be easily seen by the naked eye, so it is often neglected by custodial staffs. It does not take resolute control measures like treating beetles and moths. According to the Ministry of Commerce “National Mite Survey Working Group,” the layout of the city last year carried out mite adjustment work, from the initial investigation of the situation, the situation is still serious, manifested in: First, an increase of mite species. Through the system of 41 units, 141 points investigation, preliminary identification of 21 species of mites,