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美洲斑潜蝇(Liremyza Satiuae Blanchard)是国内检疫性害虫,近年来,扩展蔓延很快。1995年经中国农科院植保所鉴定在我县首次发现美洲斑潜蝇,1997年在架、地四季豆上大发生、据调查,露地架四季豆植株为害率100％,叶为害率44.2％,大棚地叫季豆百叶虫量277.9头,株、叶为害率均为100％。其林镇农枝站调查300亩四季豆,均有不同程度的发生为害,严重田块植株下部叶片发黄脱落,使产量造成很大损失。 为了控制美洲斑潜蝇的为害,1995—1997年我们对美洲斑潜蝇的发生规律及防治方法进行了室内观察和田间试验调查,现将结果报告如下:
Liremyza Satiuae Blanchard is a domestic quarantine pest that spreads rapidly in recent years. In 1995 by the Chinese Academy of Agricultural Sciences Institute of Plant Protection identified in the county for the first time found in the United States Liriomyza sativae, 1997 in the frame, to the big beans occurred on the ground, according to the survey, field frame bean plant damage rate of 100% leaf damage rate of 44.2% , Greenhouses called the number of Beesia crimson 277.9 head, strain, leaf damage rates were 100%. The investigation of its agricultural Peasants Station 300 acres of green beans, all have varying degrees of damage, severe yellow leaves off the lower plant plants, the output caused great losses. In order to control the damage of the leafminers, we conducted an indoor observation and a field trial of the occurrence and control methods of the leafminers in the United States from 1995 to 1997. The results are reported as follows: