１９９６年在翼城县发现美洲斑潜蝇，近２ａ来发生面积逐年扩大，除为害大田外，对庭院经济的影响也呈现日益严重的态势。１９９７、１９９８年，我们对家庭院落美洲斑潜蝇的发生情况进行了抽样调查和系统观察。抽样调查按照海拔高度分为平川丘陵区、半山区、山区，每区调... In the Yicheng County in 1996 found that the Liriomyza sativae, occurred nearly 2 years to expand the area every year, in addition to damaging the field, the impact on the courtyard economy is also an increasingly serious situation. In 1997 and 1998, we conducted a sample survey and systematic observation of the incidence of houseflies in the United States. Sampling survey in accordance with the altitude is divided into Hirakawa Hilly, Mid-levels, mountain, each district tune ...