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１９９９年５月中旬，在铁岭县铁西堡镇李家屯村冬麦田发现有１种害虫为害，经省植保站组织有关专家鉴定为赤角盲蝽（ＴｒｉｇｏｎｏｔｙｌｕｓｒｕｆｉｃｏｒｎｉｓＧｅｏｆｆｒｏｙ）（异名赤须盲蝽），该虫属半翅目盲蝽科。经省、市、县共同田间调查，李家屯村６７ｈｍ２
In mid-May 1999, one pest was found in the winter wheat fields of Lijiatun Village, Tiexi Town, Tieling County. The experts from the Plant Protection Station identified Trigonotylus ruficornis Geoffroy Insect Hemiptera Miridae. By the provinces, cities and counties common field investigation, Lijiatun 67hm2