黑森瘿蚊是我国规定的对内和对外的植物检疫对象。这种害虫过去我国未报道过,后由苏联传入,一九八○年在伊犁、博尔塔拉两个自治州发现。一九八○年在伊犁州直属县发生面积14.21万亩,除部分田块受害严重外,未形成大面积灾害。但博尔塔拉州受害严重,重灾田八万多亩,翻耕改种3,000多亩,有的麦地每亩有效穗数仅3.6万穗。原博 Hessen mosquitoes are China’s domestic and foreign phytosanitary objects. This pest was not reported in our country in the past, and was introduced by the Soviet Union. It was discovered in 1980 in the two autonomous prefectures of Ili and Bortala. In 1980, an area of ​​141.2 hectares occurred in the immediate county of Ili Prefecture. Large-scale disasters were not formed except for the serious damage to some fields. However, the state of Bortala was seriously harmed, with over 80,000 mu of reclamation land, more than 3,000 mu of land plowed and some 36,000 spikes of acre per mu of cornfields. The original Bo