Distribution and abundance of Aedes caspius (Pallas, 1771) and Aedes vexans (Meigen, 1830) in the Po Plain (northern Italy).

IF 3 2区 医学 Q1 PARASITOLOGY Parasites & Vectors Pub Date : 2024-11-05 DOI:10.1186/s13071-024-06527-8
Mattia Calzolari, Andrea Mosca, Fabrizio Montarsi, Annalisa Grisendi, Mara Scremin, Paolo Roberto, Carlotta Tessarolo, Francesco Defilippo, Federica Gobbo, Cristina Casalone, Davide Lelli, Alessandro Albieri
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Abstract

Background: Knowledge of the distribution and abundance of disease-causing mosquito vectors is fundamental for assessing the risk of disease circulation and introduction. Aedes caspius (Pallas, 1771) and Aedes vexans (Meigen, 1830) have been implicated, to different extents, in the circulation of several arthropod-borne viruses (arboviruses). These two mosquitoes are vectors of Tahyna virus in Europe and are considered potential vectors of Rift Valley fever virus, a virus not present but at risk of introduction on the continent.

Methods: In this work, we analysed abundance data collected during West Nile virus (WNV) surveillance in northern Italy (Po Plain) via 292 CO2-baited traps to evaluate the distribution and density of these two non-target mosquitoes. We modelled the distribution and abundance of these two mosquito species in the surveyed area using two distinct spatial analysis approaches (geostatistical and machine learning), which yielded congruent results.

Results: Both species are more abundant close to the Po River than elsewhere, but Ae. caspius is present in the eastern and western parts of the plain, linked with the occurrence of rice fields and wetlands, while Ae. vexans is observed in the middle area of the plain.

Conclusions: Presence and abundance data at the municipality level were obtained and made available through this work. This work demonstrates the importance of maintaining and improving entomological surveillance programs with an adequate sampling effort.

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波河平原(意大利北部)卡斯皮伊蚊(Pallas,1771 年)和维克斯伊蚊(Meigen,1830 年)的分布和数量。
背景:了解致病蚊媒的分布和数量是评估疾病传播和传入风险的基础。Caspius 伊蚊(Pallas,1771 年)和 vexans 伊蚊(Meigen,1830 年)在不同程度上与几种节肢动物传播的病毒(虫媒病毒)的传播有关。这两种蚊子是欧洲塔希纳病毒(Tahyna virus)的传播媒介,也被认为是裂谷热病毒(Rift Valley fever virus)的潜在传播媒介:在这项工作中,我们分析了在意大利北部(波河平原)监测西尼罗河病毒(WNV)期间通过 292 个二氧化碳诱饵捕集器收集的丰度数据,以评估这两种非目标蚊子的分布和密度。我们使用两种不同的空间分析方法(地理统计和机器学习)对这两种蚊子在调查区域的分布和数量进行了建模,得出了一致的结果:结果:这两种蚊子在靠近波河的地方都比其他地方多,但 Ae. caspius 出现在平原的东部和西部,与稻田和湿地的出现有关,而 Ae. vexans 则出现在平原的中部地区:通过这项工作,获得并提供了市一级的存在和丰度数据。这项工作表明,保持和改进昆虫监测计划并开展充分的采样工作非常重要。
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来源期刊
Parasites & Vectors
Parasites & Vectors 医学-寄生虫学
CiteScore
6.30
自引率
9.40%
发文量
433
审稿时长
1.4 months
期刊介绍: Parasites & Vectors is an open access, peer-reviewed online journal dealing with the biology of parasites, parasitic diseases, intermediate hosts, vectors and vector-borne pathogens. Manuscripts published in this journal will be available to all worldwide, with no barriers to access, immediately following acceptance. However, authors retain the copyright of their material and may use it, or distribute it, as they wish. Manuscripts on all aspects of the basic and applied biology of parasites, intermediate hosts, vectors and vector-borne pathogens will be considered. In addition to the traditional and well-established areas of science in these fields, we also aim to provide a vehicle for publication of the rapidly developing resources and technology in parasite, intermediate host and vector genomics and their impacts on biological research. We are able to publish large datasets and extensive results, frequently associated with genomic and post-genomic technologies, which are not readily accommodated in traditional journals. Manuscripts addressing broader issues, for example economics, social sciences and global climate change in relation to parasites, vectors and disease control, are also welcomed.
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