美洲斑潜蝇１９９３在海南三亚市首次发现，现已成为当地危害瓜菜的重要害虫。该虫在海南周年均可发生，年发生２１～２４世代，有明显的世代重叠现象，以冬春季为害更重。瓜类受害重于豆类，豆类又重于叶菜类蔬菜。叶被害率一般为３０％～４０％，严重达８０％以上。寄主有葫芦科、豆科、十字花科、茄科、旋花科、藜科、锦葵科、菊科、大戟科、苋科、百合科、伞形科、芸香科和车前科等１４科６９种植物。２龄幼虫高峰期或叶片受害率达１０％～２０％时为该虫防治适期，应用１０％赛波凯乳剂３０００倍液或４０％氧乐果１００ｍＬ／６６７ｍ２，加２５％杀虫双２５ｍＬ／６６７ｍ２和少量煤油，对水６０ｋｇ喷雾，防效达９０％以上 Liriomyza sativae 1993 found for the first time in Sanya, Hainan Province, has now become an important pest of the local melon. The worm can occur in the anniversary of Hainan, the annual occurrence of 21 to 24 generations, there is a clear phenomenon of overlapping generations to heavier damage in winter and spring. Melons suffer more than beans, beans and vegetables more than leafy vegetables. Leaf damage rate is generally 30% to 40%, severe over 80%. The hosts are Cucurbitaceae, Leguminosae, Cruciferae, Solanaceae, Convolvulaceae, Chenopodiaceae, Malvaceae, Asteraceae, Euphorbiaceae, Amaranthus, Liliaceae, Umbelliferae, Rutaceae, Section 69 species of plants. The second instar larvae peak or leaf damage rate of 10% to 20% for the pest control period, the application of 10% Saibo Kay emulsion 3000 times or 40% of omethoate 100mL / 667m2, plus 25% insecticidal double 25mL / 667m2 and a small amount of kerosene, water 60kg spray, control effect of more than 90%