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蚊子在佛罗里达州埃弗格莱德斯的宿主养行为

John F Anderson¹, Goudarz Molaei^1,2, Durland Fish²

¹Department of Entomology and Center for Vector Biology & Zoonotic Diseases, The Connecticut Agricultural Experiment Station, New Haven, Connecticut, USA.

Vector borne and zoonotic diseases (Larchmont, N.Y.)

|April 22, 2024

概括

佛罗里达州的蚊子

科学领域:

树木病毒学和载体生态学
分子诊断学分子诊断
野生动物疾病监测野生动物疾病监测

背景情况:

佛罗里达州的蚊子携带各种病毒,包括西尼罗河病毒 (WNV) 和埃弗格莱德斯病毒 (EVEV).
之前的研究将蚊子的血液与WNV和EVEV的传播联系起来,但不是Culex Melanoconion亚属中的Orthobunyavirus物种.
了解蚊子与宿主之间的相互作用对于预测和管理 arbovirus 传播至关重要.

研究的目的:

为了确定佛罗里达州埃弗格莱德斯和那不勒斯的蚊子物种的血饭宿主.
根据蚊子的食模式,研究WNV,EVEV和Orthobunyavirus的潜在传播周期.
阐明特定蚊子物种在这些树病毒生态中的作用.

主要方法:

在2016-2022年期间,在佛罗里达州的埃弗格莱德斯和那不勒斯收集了被血液养的蚊子.
使用针对线粒体细胞染色体b基因的PCR试验进行了宿主物种识别.
分析的蚊子包括来自Anopheles crucians复合体,Culex和Aedes属的物种.

主要成果:

在14种蚊子中确定了血饭,其中Culex nigripalpus,Culex erraticus,Culex cedecei和Aedes taeniorhynchus是最常见的.
Culex erraticus以哺乳动物,鸟类和爬行动物为食,包括美国鱼,这表明潜在的WNV传播.
昆虫食动物,这意味着它在动物群体中传播了EVEV和Orthobunyavirus.

结论:

曲力克斯 (Culex erraticus) 和曲力克斯 (Culex nigripalpus) 可能在涉及美国鱼和鸟类的WNV传播周期中发挥作用.
昆虫cedecei是可能的载体EVEV和Orthobunyaviruses在老鼠种群在埃弗格莱德斯.
这项研究提高了佛罗里达州西南部蚊子-宿主-病毒关联的理解,为arbovirus监测和控制工作提供了信息.

关键词:

这就是Culex cedeceicei.这就是Culex erraticuscus.库莱克斯尼格里帕尔普斯 (Culex nigripalpus) 是一个黑色.佛罗里达州的常青草地.蚊子与宿主之间的相互作用

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