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Diversity analysis and an updated list of mosquitoes (Diptera: Culicidae) found in Cantareira State Park, São Paulo, Brazil.
Acta Tropica ( IF 2.7 ) Pub Date : 2020-08-14 , DOI: 10.1016/j.actatropica.2020.105669
Walter Ceretti-Junior 1 , Rafael Oliveira-Christe 2 , Ramon Wilk-da-Silva 2 , Luis Filipe Mucci 3 , Ana Maria Ribeiro de Castro Duarte 3 , Aristides Fernandes 1 , Karolina Morales Barrio-Nuevo 1 , Márcio Port Carvalho 4 , Mauro Toledo Marrelli 5 , Antônio Ralph Medeiros-Sousa 1
Affiliation  

Cantareira State Park (CSP) is located in the Metropolitan Region of São Paulo, one of the most densely populated areas on the planet. Recently, a yellow-fever epidemic practically annihilated the howler monkey population in this park, and human infections were reported in the vicinity. As simian and human plasmodia also circulate in CSP, the present study sought to provide an update on the mosquito fauna in this park, including an analysis of the diversity in areas with different degrees of conservation and a comparison of the yields achieved with different collection techniques. From October 2015 to April 2017, adult mosquitoes were collected with CDC traps, hand-held battery-powered aspirators and Shannon traps, and larvae and pupae were collected with larval dippers and suction samplers in natural and artificial breeding sites. In total, 11,038 specimens distributed in 103 taxa represented by 16 genera were collected. Both the observed species richness and diversity were greater in the environments with the highest degree of preservation. The ‘wild’ (most preserved) area in CSP had the greatest species richness, followed by the transition area and human-impacted area. The estimated richness indicated that the three environments may have a greater number of species than observed in this study, and Sorensen's index showed that the average degree of similarity varies little between areas. In the inventory of local species, the Shannon trap was the most efficient collection technique for adult mosquitoes, and the suction sampler the most efficient for immatures. The results highlight the increase in the number of different taxa collected as different mosquito capture techniques were included, confirming the importance of using several strategies to sample the local mosquito fauna satisfactorily when exploring a greater number of ecotopes. CSP is a refuge and shelter for native and introduced mosquito species where new biocenoses including pathogens, vertebrate hosts and vectors can form, allowing zoonotic outbreaks in the local human population to occur.



中文翻译:

在巴西圣保罗的坎塔雷拉州立公园中发现的多样性分析和最新的蚊子清单(双翅目:蚊科)。

坎塔雷拉州立公园(CSP)位于圣保罗大都市区,这是地球上人口最稠密的地区之一。最近,黄热病的流行几乎消灭了这个公园里的吼猴种群,并在附近报道了人类感染的情况。由于猿猴和人类的疟原虫也在CSP中传播,因此本研究试图提供有关该公园蚊子动物区系的最新信息,包括对具有不同保护程度的地区的多样性进行分析,并比较采用不同收集技术获得的产量。从2015年10月到2017年4月,在自然和人工繁殖场所,使用CDC捕集器,手持电池供电的吸气器和Shannon捕集器收集成年蚊子,并用幼虫浸染器和吸力采样器收集幼虫和p。总共11 收集了038个标本,分布在16个属的103个分类中。在保存程度最高的环境中,观察到的物种丰富度和多样性都更大。CSP中的“野生”(保存最完好的)区域具有最大的物种丰富度,其次是过渡区和受人类影响的区域。估计的丰富度表明,三种环境的物种数量可能比本研究中观察到的要多,Sorensen指数表明,区域之间的平均相似度变化很小。在当地物种清单中,香农捕集器是成年蚊子最有效的采集技术,吸气采样器对于未成熟的蚊子最有效。结果表明,由于包括了不同的捕蚊技术,收集到的不同类群的数量也在增加,这证实了在探索更多的生态环境时,使用几种策略来令人满意地采样当地蚊子动物的重要性。CSP是本地和外来蚊子物种的避难所和庇护所,在这里可以形成包括病原体,脊椎动物宿主和媒介在内的新的生物人口调查,从而使当地人群发生人畜共患病。

更新日期:2020-08-18
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