Geographic distribution and developmental sites of Aedes albopictus (Diptera: Culicidae) during a Chikungunya epidemic event
Geographic distribution and developmental sites of Aedes albopictus (Diptera: Culicidae) during a Chikungunya epidemic event
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DOI：
10.1089/vbz.2007.0649
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发表时间：
2008-03-01
影响因子：
2.1
通讯作者：
Fontenille, D.
中科院分区：
文献类型：
--
作者：
Delatte, H.;Dehecq, J. S.;Fontenille, D.
白纹伊蚊由于缺乏宿主特异性，一般认为其媒介能力较低。尽管如此，在最近留尼汪岛和毛里求斯岛爆发的流行病中，它一直是基孔肯雅病毒的唯一载体。我们报告调查的季节性流行，容器的喜好，和地理分布的物种在留尼汪岛。AE.白纹伊蚊具有较强的生态可塑性。在温暖潮湿的季节，小的一次性容器是主要的城市繁殖场所，在750所房屋中有1939个阳性容器。在干燥的冬季，该物种在整个岛屿高达800米的地方仍然很丰富，最高海拔为1200米。天然容器在这个季节显然很重要，尽管生产性来源很难找到。竹伐桩和石穴是其自然发育的首选场所，在城郊和沟壑区共观察到357个以上的发育场所。广义Logistic模型表明，最佳的网站含有清澈的水，有机质含量高，并位于网站与中度遮荫。我们的数据将为疾病流行病学模型和病媒控制方案的设计提供输入。
Aedes albopictus is generally considered to have a low vectorial capacity because of its lack of host specificity. Nevertheless, it has been the sole vector of the Chikungunya virus in recent explosive epidemics on the islands of La Reunion and Mauritius. We report on investigations of the seasonal prevalence, container preferences, and geographic distribution of the species on La Reunion. Ae. albopictus showed strong ecological plasticity. In the warm wet season, small disposable containers were the principal urban breeding site, with 1939 positive containers in 750 houses. In the dry winter season, the species remained abundant throughout the island up to 800 m and was present to a maximum altitude of 1200 m. Natural containers were clearly important in this season, although productive sources were hard to find. The preferred natural developmental sites were bamboo stumps and rock holes, over 357 developmental sites observed in peri-urban and gully areas. Generalized logistic models indicated that the optimum sites contained clear water with high organic content and were situated in sites with moderate shade. Our data will provide input into the models of the epidemiology of the disease and design of vector control programs.