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目的确定西藏林芝地区墨脱县及米林县流行性乙型脑炎(乙脑)传播媒介三带喙库蚊存在与否,为制定针对性防制措施提供依据;了解林芝地区的媒介蚊虫种类、数量及其分布状况。方法采用诱蚊灯法、人帐诱法和人工捕捉法进行调查。结果在墨脱县发现三带喙库蚊,且该蚊密度相对比较高;墨脱县的优势蚊种为三带喙库蚊和多斑按蚊。米林县未发现三带喙库蚊分布,该地区的优势蚊种为米塞按蚊。结论西藏林芝地区墨脱县存在乙脑的传播媒介,该蚊种为该地区的新纪录;且该蚊种尚未扩散至米林县。
Objective To determine the presence or absence of Culex tritaeniorhynchus in Medog County and Miling County in Linzhi Prefecture of Tibet, and to provide evidence for targeted prevention and treatment measures. To understand the media mosquito species in Nyingchi area , The number and distribution. Methods Mosquito-lamp method, human-induced method and artificial capture method were used to investigate. Results Culex tritaeniorhynchus was found in Medog County, and the mosquito density was relatively high. The dominant mosquito species in Medog County were Culex tritaeniorhynchus and Anopheles stephensi. No distribution of Culex tritaeniorhynchus was found in Milin County, and the dominant mosquito species in this area was Anopheles pertussis. Conclusion There is JE transmission media in Medog County, Linzhi Prefecture, Tibet, which is a new record in the region. The mosquito species has not yet spread to Milin County.