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目的弄清澜沧江下游地区蚊虫种类、分布及其幼虫孳生习性。方法蚊虫成蚊采用牛圈诱蚊灯诱捕法、人工牛圈捕捉和人饵白天诱捕方法。采集幼虫采用勺和吸管等方法在各类蚊虫孳生地捕捞幼虫。结果调查澜沧江下游地区2个县,用诱蚊灯捕获蚊虫26 754只,隶属7属33种,在思茅共捕获成蚊10 494只,隶属5属24种,在勐腊、勐海和孟连县调查,共捕获蚊虫409只,隶属5属14种;幼虫调查,共捕获蚊虫6 051只,隶属3亚科,10属40种。结论澜沧江下游地区蚊虫种类繁多,不同的蚊种有不同的孳生习性,优势蚊种为三带喙库蚊,中华按蚊、白纹伊蚊属次优势蚊种,以上3种蚊虫种群密度高,分布较广。
Objective To understand the species, distribution and habit of breeding mosquitoes in the lower Lancang River. Methods Adult mosquitoes mosquitoes trapping cattle trap method, artificial cattle trap and human baits trapped during the day. Collecting larvae Using ladle and straw to catch larvae at various breeding sites. Results A total of 26 754 mosquitoes were captured by the mosquito lamp in 33 counties in the lower reaches of Lancang River. There were 33 species belonging to 7 genera and 10 494 adult mosquitoes in Simao, belonging to 5 genera and 24 species. In Mengla, Menghai and Menglian counties, A total of 409 mosquitoes were captured, belonging to 5 genera and 14 species. Larvae were investigated and 6 051 mosquitoes were captured, belonging to 3 subfamilies and 10 genera and 40 species. Conclusion There are many mosquitoes in the lower reaches of the Lancang River. Different mosquitoes have different breeding habits. The dominant mosquito species are Culex tritaeniorhynchus, Anopheles sinensis and Aedes albopictus, the dominant mosquito species of these three species are high, Widely distributed.