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赤松梢斑螟是红松幼林主要害虫之一，危害红松的嫩梢（主梢为主）及球果，平均被害率嫩梢为20．3％、球果为22．7％。1991～1995年，对其空间分布型进行了研究。1研究方法1．1赤松梢斑螟幼虫调查方法调查地海拔高度为250m，坡度为低山缓坡（8～9°），坡向东南，土壤为暗棕壤，
Pinus thunbergii is one of the main pests of Pinus koraiensis. It harms the young shoots of Pinus koraiensis (mainly shoots) and cones. The average damage rate is 20.3% on fresh shoots and 22.7% on cones. From 1991 to 1995, its spatial distribution was studied. 1 Research methods 1.1 Survey on the investigation method of Pinus thunbergii larvae The investigation altitude of 250 m, the slope of low mountain gentle slope (8 ~ 9 °), southeast slope, dark brown soil,