对尼泊尔海拔高度范围内以伊蚊(Stegomyia)(双翅目:库蚊科)病媒为重点的容器繁殖蚊虫进行昆虫学监测。

Punya Ram Sukupayo, Ram Chandra Poudel, Tirth Raj Ghimire
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引用次数: 0

摘要

由于蚊子在传播各种疾病方面的作用,它们是公共卫生的一个重要问题。这项研究旨在调查尼泊尔中部蚊子的多样性、数量和生态方面的情况,主要侧重于伊蚊(双翅目:Culicidae)。研究探讨了不同地区、季节、海拔和年份的变化。采集蚊子的实地工作于 2022 年 5 月至 2023 年 10 月期间进行。采用浸渍法和吸管法收集幼虫和蛹,而 Biogents-Mosquitaire 捕集器则捕捉成蚊。共收集和分析了 7 223 只蚊子(3 640 只幼虫和 3 583 只成蚊),分属 8 属 18 种。此外,还对 20 种不同类型的 5941 个湿容器进行了调查,以评估潜在的繁殖地。研究发现,库蚊(Culex pipiens)(林奈,1758 年)(34.13%)和白纹伊蚊(Aedes albopictus)(Skuse,1895 年)(27.36%)是数量最多的物种。有趣的是,幼虫主要是伊蚊属(66.13%),而成虫中只有 13.76% 属于伊蚊属。不同地区和海拔高度的蚊子数量各不相同,其中西瓦利克地区(海拔 331-700 米)的蚊子数量最多。季风季节的总体数量最高(1 492 只)。废旧轮胎被确定为伊蚊的重要繁殖地,在有遮阳的容器中蚊虫滋生率较高。季节性分析表明,在季风期间,房屋指数(HI)达到高峰(10.92%),布雷图指数(BI)达到 23.08%。相反,集装箱指数(CI)在季风后季节达到最高点(37.67%)。这些结果表明,有必要在地方和国家层面采取全面的疾病预防战略,包括开展提高公众认识的运动,以应对这一著名旅游地区的蚊媒疾病。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Entomological surveillance of container-breeding mosquitoes focusing on Aedes (Stegomyia) (Diptera: Culicidae) vectors along altitudinal range in Nepal.

Mosquitoes are a significant public health concern due to their role in transmitting various diseases. This study aimed to investigate mosquitoes' diversity, abundance, and ecological aspects, mainly focusing on Aedes (Diptera: Culicidae) mosquitoes, in central Nepal. The research explored variations across regions, seasons, altitudes, and years. Fieldwork for mosquito collection was conducted between May 2022 and October 2023. Dipping and pipetting methods were employed to collect larvae and pupae, whereas Biogents-Mosquitaire trap captured adult mosquitoes. A total of 7,223 (3,640 larvae and 3,583 adults) mosquitoes, belonging to 8 genera and 18 species, were collected and analyzed. Additionally, a survey examined 5,941 wet containers of 20 different types to assess potential breeding sites. The study revealed Culex pipiens (Linnaeus, 1758) (34.13%) and Aedes albopictus (Skuse, 1895) (27.36%) as the most abundant species. Interestingly, larvae were predominantly Aedes spp. (66.13%), whereas only 13.76% of adults belonged to this genus. Mosquito abundance varied across locations and altitudes, with Siwalik region (331-700 m asl) exhibiting the highest numbers. The monsoon season showed the highest overall abundance (1,492). Used tires were identified as significant breeding sites for Aedes mosquitoes, and infestation rates were higher in shaded containers. Seasonal analysis showed the House Index (HI) reaching its peak (10.92%) and the Breteau Index (BI) reaching 23.08% during the monsoon. Conversely, the Container Index (CI) reached its highest point (37.67%) in the post-monsoon season. The results emphasize the need for comprehensive disease prevention strategies at local and national levels, including public awareness campaigns, to address mosquito-borne illnesses in this famous tourist region.

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