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首页> 外文期刊>Journal of Medical Entomology >Evaluation of seasonal feeding patterns of West Nile virus vectors in Bernalillo County, New Mexico, United States: implications for disease transmission.
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Evaluation of seasonal feeding patterns of West Nile virus vectors in Bernalillo County, New Mexico, United States: implications for disease transmission.

机译：美国新墨西哥州伯纳里洛县西尼罗河病毒载体的季节性进食模式评估：对疾病传播的影响。

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Many mosquito species take bloodmeals predominantly from either birds or mammals. Other mosquito species are less host-specific and feed readily on both. Furthermore, some species tend to alter their feeding patterns over the course of the year; early in the mosquito season such species may feed primarily on a particular host type, and subsequently take an increasingly larger proportion of their bloodmeals from an alternative host type as the season progresses. We have examined the feeding patterns of the three mosquito species found in Bernalillo County, NM: Culex quinquefasciatus (Say), Culex tarsalis (Coquillett), and Aedes vexans (Meigen). Specifically, we seek to determine if any of these species displays a seasonal shift in terms of its host utilization pattern. Our analysis focuses on these three species because they are all considered to be competent vectors for the West Nile virus (WNV). Our current data for Cx. quinquefasciatus suggest that unlike elsewhere in its range, this species increases its proportion of avian bloodmeals as the season progresses. Alternatively, Ae. vexans feeds primarily on mammals, whereas Cx. tarsalis appears to feed on both mammals and birds throughout the mosquito season. A more complete understanding of the feeding habits of these three mosquito species may help to clarify the transmission dynamics of WNV in Bernalillo County.
机译：许多蚊子主要从鸟类或哺乳动物那里摄取血粉。其他蚊种对宿主的特异性较低，并且容易在两者上觅食。此外，有些物种在这一年中往往会改变其觅食方式。在蚊子季节的早期，此类物种可能主要以特定的寄主类型为食，并随着季节的发展，从替代寄主类型中获取越来越多的血粉。我们检查了在新墨西哥州贝纳里洛县发现的三种蚊子的摄食模式：昆克斯库克斯（Quay quinquefasciatus）（Say），塔克斯库克斯（Culex tarsalis）（Coquillett）和白纹伊蚊（Meeden）。具体而言，我们试图确定这些物种中是否有任何一个在其宿主利用模式方面表现出季节性变化。我们的分析集中在这三个物种上，因为它们都被认为是西尼罗河病毒（WNV）的有效载体。我们当前的Cx数据。 quinquefasciatus表明，与该季节的其他地方不同，该物种随着季节的发展而增加了其禽血粉的比例。或者，Ae。墨西哥人主要以哺乳动物为食，而墨西哥人为Cx。 s在整个蚊子季节都以哺乳动物和鸟类为食。更全面地了解这三种蚊子的摄食习惯可能有助于弄清贝纳利洛县西尼罗病毒的传播动态。

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