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富裕县地处黑龙江省中西部，属典型的半农半牧农业区。继１９９６～１９９９年草地螟大面积发生为害后，２００２年再次严重发生，全县发生面积达１７．３万hm２，占全县种植面积的７２％，严重发生面积１３．３万hm２。据６月２４日调查，富海镇宏升村草地螟幼虫最高密度，大
Fuyu County is located in the central and western Heilongjiang Province, is a typical semi-agricultural and semi-pastoral agricultural areas. After 1996-1999, the occurrence of grasshopper large area occurred again in 2002, a serious occurrence occurred throughout the county area of 173,000 hm2, accounting for 72% of the county planted area, a serious occurrence area of 133,000 hm2. According to a survey on June 24, the highest density of Larix principis-rupprechtii larvae in Hongsheng village of Fuhai town is large