Host–mosquito interactions in rural and urban equestrian facilities from temperate Argentina

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2023-08-10 DOI:10.1111/mve.12686
María V. Cardo, Darío Vezzani
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Abstract

Targeted vector surveillance informed by data on mosquito biting patterns can help limit arboviral zoonotic diseases. To characterise host-biting networks in rural and urban equestrian facilities from temperate Argentina, adult resting mosquitoes were collected (December 2018–April 2019) with a battery-powered aspirator. Engorged females were sorted to species, and their blood source was identified using molecular techniques. Bipartite network analysis was performed for rural and urban matrices. A total of 177 bloodmeals from 11 mosquito species of Aedes and Culex were identified, with seven mammal and 17 bird species recognised as hosts. Mammals represented 61% of the total feeds, mainly horse, dog and sheep; the best represented avian hosts were Columbiformes. Aedes species and Culex maxi fed only on mammals, while most other Culex species presented a wide range of hosts. The rural network had more nodes and interactions than its urban counterpart, both with some degree of host selection and aggregated patterns according to network indices. Culex quinquefasciatus was the strongest species in both networks, whereas Culex apicinus and Culex dolosus had a prominent role in the rural network. Bipartite network analysis will contribute to understanding the effects of urbanisation in the dynamics of vector-borne diseases.

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阿根廷温带地区农村和城市马术设施中宿主-蚊子的相互作用。
根据蚊子叮咬模式的数据进行有针对性的媒介监测有助于限制虫媒病毒人畜共患疾病。为了表征温带阿根廷农村和城市马术设施中的宿主叮咬网络,用电池驱动的抽吸器收集了成年休息蚊子(2018年12月至2019年4月)。将饱足的雌性按物种分类,并使用分子技术鉴定其血液来源。对农村和城市矩阵进行了二分网络分析。共鉴定出11种伊蚊和库蚊的177份血样,其中7种哺乳动物和17种鸟类被确认为宿主。哺乳动物占总饲料的61%,主要是马、狗和羊;最具代表性的鸟类宿主是Columbiformes。伊蚊和大型库蚊只以哺乳动物为食,而大多数其他库蚊都有广泛的宿主。农村网络比城市网络有更多的节点和互动,两者都有一定程度的主机选择和根据网络指数的聚合模式。致倦库蚊是两个网络中最强的物种,而尖库蚊和白库蚊在农村网络中发挥着重要作用。双向网络分析将有助于理解城市化对媒介传播疾病动态的影响。
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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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