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首页> 外文期刊>Journal of Medical Entomology >Adult size and distribution of Aedes aegypti (Diptera: Culicidae) associated with larval habitats in Iquitos, Peru
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Adult size and distribution of Aedes aegypti (Diptera: Culicidae) associated with larval habitats in Iquitos, Peru

机译：与秘鲁伊基托斯幼虫栖息地相关的埃及伊蚊（成虫）的成虫大小和分布

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摘要

Adult mosquito size may be related to longevity, feeding frequency, and other factors that impact vectorial capacity. Various investigations have shown that characteristics of larval mosquito habitats influence adult size. We studied breeding container characteristics in relation to size and abundance of Aedes aegypti larvae and pupae in Iquitos, Peru, and compared these with the size of resulting adult females. During 22 May to 20 July 2000, immature mosquitoes were collected from 12,722 containers in 2,931 houses, of which 424 held > or =1 Ae. aegypti. A subsample of larvae and all 16,433 pupae detected was removed for study. Resting adult mosquitoes were also collected from the same houses as the immatures. Adult mosquito size was determined by measuring the wing lengths of 672 aspirated adults and 2,316 adult females that emerged from container-derived pupae. Immatures were most commonly found in rain-filled containers, located outside of houses, and without lids. The average wing length of females derived from pupae varied considerably (1.67-3.83 mm), with slightly less variation for females captured as adults (1.80-3.23 mm). Linear regression showed that average wing length of pupae-derived females was positively associated with presence of larvae, container-filling method, diameter of container, and density of females. Size of pupae-derived females was correlated with that of females captured in the same houses as adults. The geographic distribution of pupae and adults indicated that the spatial pattern for Ae. aegypti is heterogeneous, with areas of higher and lower abundance. These findings provide insight for more focused control efforts aimed at reducing Ae. aegypti-borne pathogens.
机译：成年蚊子的大小可能与寿命，进食频率和其他影响矢量能力的因素有关。各种调查表明，幼虫蚊子栖息地的特征会影响成虫的大小。我们研究了与秘鲁伊基托斯的埃及伊蚊幼虫和p的大小和丰度有关的繁殖容器特征，并将其与成年雌性的大小进行了比较。在2000年5月22日至7月20日期间，从2 931所房屋中的12,722个容器中收集了未成熟的蚊子，其中424个>或= 1 Ae。埃及。取出幼虫的子样本和所有检测到的16,433个up进行研究。静息的成年蚊子也从未成熟者的同一个房屋中收集。通过测量从容器衍生的up中抽出的672名成年吸水成虫和2,316名成年雌性的翅长来确定成蚊的大小。幼虫最常见于装满雨水的容器中，该容器位于房屋外部且无盖。来源于p的雌性的平均翅长变化很大（1.67-3.83 mm），成年雌性的平均翅长变化较小（1.80-3.23 mm）。线性回归分析表明，来源于p的雌性的平均翅长与幼虫的存在，容器的填充方法，容器的直径和雌性的密度呈正相关。 p来源的雌性的大小与成年时在同一屋子里捕获的雌性的大小相关。 of和成虫的地理分布表明Ae的空间格局。埃及是异质的，有较高和较低丰度的区域。这些发现为旨在减少Ae的更集中控制工作提供了见识。埃及传播的病原体。

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