Anopheles gambiae exploits the treehole ecosystem in western Kenya:: A new urban malaria risk?
Anopheles gambiae exploits the treehole ecosystem in western Kenya:: A new urban malaria risk?
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DOI：
10.4269/ajtmh.2007.77.264
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发表时间：
2007-12-01
影响因子：
3.3
通讯作者：
Hassanali, Ahmed
中科院分区：
文献类型：
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作者：
Omlin, Francois X.;Carlson, John C.;Hassanali, Ahmed
在肯尼亚西部的六个地点，我们探索了树洞中按蚊未成熟阶段的存在。一个.在19种中发现冈比亚幼虫，其中13种为外来种。最常见的外来物种是凤凰木、蓝花楹和桉树。在基苏穆市，10个华丽的树木纵向评估显示，重复存在的一个。加尼奥尔公司在有水的树洞里按蚊幼虫的生产没有与栖息地的体积，但与栖息地的高度，表现出很强的，但统计上不显着的负相关。在旱季，通过冲洗干燥的树洞回收的卵孵化成2.5 +/- 3.06 An。冈比亚伊蚊和7.9 +/- 8.2伊蚊幼虫。在笼子实验中，安。冈比亚公司产卵更多的水来源于树洞比蒸馏水或湖水，这意味着产卵在这个栖息地的偏好。我们的研究结果表明，树洞是迄今未被认识到的疟疾媒介的栖息地，这需要进一步的研究。
At six sites in western Kenya, we explored the presence of Anopheles immature stages in treeholes. An. 'gambiae larvae were found in 19 species, 13 of which are exotic. The most common exotic species were Delonix regia, Jacaranda mimosipholia, and Eucalyptus citrodora. In Kisumu city, longitudinal assessments of 10 flamboyant trees showed repeated presence of An. ganibiae s.s. in treeholes with water. Production of Anopheles larvae did not correlate with habitat volume but with habitat height, showing a strong but statistically insignificant negative correlation. During a dry season, eggs recovered by rinsing dry treeholes hatched into 2.5 +/- 3.06 An. gambiae and 7.9 +/- 8.2 Aedes larvae. In cage experiments, An. gambiae s.s. laid more eggs in water originating from treeholes than in distilled or lake water, implying preference for ovipositing in this habitat. Our findings indicate that treeholes represent a hitherto unrecognized habitat Tor malaria vectors, which needs further studies.