大亚湾中海壳牌石化工地按蚊监测结果分析

Analysis on the surveyes of anopheles in the building sites of CSPC in DA-ya-wan

目的掌握本地区按蚊的种类及消长规律,分析疟疾流行潜势和危险性,为制定防制措施提供科学依据。方法选取有代表性的2个监测点,用1头黄牛进行诱蚊,采用人工小时,蚊帐全捕法。结果2004年3～12月共捕获按蚊678只。经鉴定为6种:中华按蚊为优势种占66．37％,调查结果显示3月和7月的按蚊密度最高,12月最低。蚊虫密度的变化与当地雨量及湿度变化有一定的关系。结论大亚湾地区传疟媒介保持着一定的蚊虫密度,具有一定传播疟疾能力,有引发疟疾流行的可能性,应加强防制。

Objective To investigate the status of anopheles in the building sites of CSPC in Da-yawan borough, and to analyse the epidemic power of malaria. Methods Choose two survey points near the building sites, entice anopheles in net by one scalper, catch all the anopheles in the net. Results 678 anopheles had been catched during March to December in 2004. 6 species of anopheles were found, there were Anopheles sinensis, An. maculatus, An. tessellatus, An. anthropophagus, An. karwari and An. Candidiensis. An. sinensis was the advantage specie （66.37%）. The density of anopheles were higher in March and July, and lower in December. The cling of anopheles density has connected with the rain and humidity. Conclusion There were some few anopheles in Da-ya-wan borough, and has the definite malaria spread power.