一、渝东发现桃蛀螟危害柚类果实　　桃蛀螟对柚类果实的危害是近年来在长江柑桔带的重庆市丰都县“三元红心柚”上发现的，该虫以幼虫蛀入柚果，取食果囊，引起大量落果，即使勉强成熟的虫果，外观质量及内在质量都很差，并因果内有虫而影响食欲。据不完全统计，该县2万亩（ First, the discovery of Peach moth borer pummelo pest damage in fruit tree fruit Peach borer on the pomelo fruit hazards in recent years in the Yangtze River citrus belt in Fengdu County, Chongqing City, “Sanyuanhong pomelo” found on insects moth borer Into the pomelo fruit, eating fruit sac, causing a large number of fruit drop, even barely mature fruit, the appearance of quality and internal quality are poor, and causal insects and affect appetite. According to incomplete statistics, the county 2 acres (