伊蚊诱捕器的设计及应用研究

目的提高对白纹伊蚊成蚊的诱捕能力,利于登革热的流行监测。方法根据白纹伊蚊的生态特性,参考美国疾病预防控制中心的诱卵器、林立丰等设计的诱蚊诱卵器,设计研制具有较好诱蚊诱卵效果的伊蚊诱捕器,并在实验室和现场进行效果初步验证。结果室内实验伊蚊诱捕器组的诱蚊总数及诱卵总数均高于诱蚊诱卵器组（Z=-2.178,P=0.029;Z=-2.021,P=0.043）;居民区实验结果显示,伊蚊诱捕器组的诱蚊效果指数（MEI）、诱卵效果指数（OEI）均高于对照组〔MEI伊蚊（Z=-7.529,P=0.000）,OEI伊蚊（Z=-6.058,P=0.000）和MEI库蚊（Z=-2.484,P=0.013）〕,同时伊蚊诱捕器组的M EI伊蚊（rp=0.244,P=0.000）、OEI伊蚊（rp=0.256,P=0.000）与同步调查的居民区的布雷图指数均呈正相关关系（rp=0.256,P=0.000）。结论伊蚊诱捕器具有良好的诱捕伊蚊成蚊及蚊卵的效果,兼具较好的灵敏性和稳定性,可作为登革热媒介监测的器具。

Design and application of Aedes-traps

Objective Specific traps were designed to improve the efficiency of capturing Aedes albopictus to facilitate the surveillance of the prevalence of dengue fever. Methods Effective Ae. albopictus traps were designed according to the ecological characteristics of this species based on the design of ovitraps of the U.S. Center for Disease Control and Prevention and Lifeng Lin＇s devices. The efficiency of the traps was preliminarily verified both in laboratory and on site. Results Both trapped mosquitoes and ovipositions using the device were higher than those using ovitraps in laboratory （Z=-2.178, P=0.029; Z=-2.021, P=0.043）. As for residential areas, both the mosquito enticing index （MEI） and oviposition enticing index （OEI） were higher in the Ae. albopictus trap group than in the control group 〔MEIAedes （Z=-7.529, P=0.000）, OEIAedes（Z=-6.058, P=0.000） and MEICulex （Z=-2.484, P=0.013）〕; MEIAedes （rp=0.244, P=0.000） and OEIAedes（rp=0.256, P=0.000） of the trap group were positively correlated with the Breteau index in the correspondingly investigated residential areas. （rp=0.256, P=0.000）. Conclusion Ae. albopictus traps are efficient in enticing mosquitoes and ovipositions with satisfactory sensitivity and stability, which can be used for dengue vector surveillance.