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通过连续6年的系统调查,对南京地区斑潜蝇进行了研究。结果表明,南京地区斑潜蝇的寄主蔬菜有6科12种,一般为害程度为1~2级,对豇豆为害最重,可达4级。三叶斑潜蝇为南京地区斑潜蝇的优势种,美洲斑潜蝇属偶发。三叶斑潜蝇在南京1年发生6~7代,世代重叠严重;不能在露地蔬菜上越冬,但可在设施内蔬菜上越冬;正常年份4月底至5月初开始在设施蔬菜上发生为害,5月中、下旬转移到露地蔬菜上,在5—6月和9—10月出现2个为害高峰期。斑潜蝇在南京地区年际发生存在较明显的波动现象。长江南、北区域发生程度也存在较明显的差异。
Through six consecutive systematic surveys, leafminers in Nanjing were studied. The results showed that there were 6 families of 6 species of leafminers in Nanjing area. The damage level was generally 1 ~ 2 and the damage to cowpea was the heaviest, up to 4 levels. Trifoliata leaf miner is the dominant species of leafminers in Nanjing, and the genera Leafminer is sporadic. Three-leaf leafminers in Nanjing 1 year occurred 6 to 7 generations, generations overlap serious; can not over-winter vegetables on the open field, but can be over-winter in the facilities of vegetables; the normal year from the end of April to early May occurred in the facilities vegetables harm, In mid-May, it was transferred to open-field vegetables in May-June and September-October, with two peak pests. Liriomyza occidentalis in Nanjing annual occurrence of more obvious fluctuations. The degree of occurrence in the south and north regions of the Yangtze River also has obvious differences.