Composition of Anopheles Meigen (Diptera: Culicidae) in a peri-urban area of the Eastern Amazon

EntomoBrasilis Pub Date : 2022-07-14 DOI:10.12741/ebrasilis.v15.e993

K. Cavalcante, Taires Peniche, José Rodrigues Júnior, Geandro dos Santos Gama, Flávia Montagner, A. Galardo

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Abstract

Malaria vector mosquitoes belong to the genus Anopheles Meigen. The Amazon has been changing due to economic activities such as mining, logging, agriculture, and urbanization, leading to changes in malaria transmission patterns in this region. Therefore, this study aimed to survey Anopheles species in a peri-urban area of Macapá, state of Amapá, Eastern Amazon, Brazil. Human landing catches (HLC) and Shannon light traps were used to collect Anopheles adults at three points. We screened breeding sites in all accessible water reservoirs within a 2 km radius of each collection point to collect immatures and found two species: Anopheles (Nyssorhynchus) albitarsis s.l. Lynch-Arribalzága (35.7%) and Anopheles (Nyssorhynchus) braziliensis (Chagas) (64.3%). A total of 267 winged specimens of Anopheles were collected: A. (N.) braziliensis (62.9%), Anopheles (Anopheles) mattogrossensis Lutz & Neiva (11.6%), Anopheles (Nyssorhynchus) triannulatus s.l. (Neiva & Pinto) (11.6%), A. (N.) albitarsis s.l. Lynch-Arribálzaga (6.7%), Anopheles (Nyssorhynchus) darlingi Root (5.2%), Anopheles (Anopheles) peryassui Dyar & Knab (1.5%), and Anopheles (Nyssorhynchus) nuneztovari Galbadón (0.4%). Considering that Macapá has autochthonous malaria cases, our findings can contribute to developing public health measures in this municipality, therefore helping to protect its habitants.

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东亚马逊城郊地区梅根按蚊组成(双翅目:库蚊科)

疟疾媒介蚊属美根按蚊属。由于采矿、伐木、农业和城市化等经济活动，亚马逊地区一直在发生变化，导致该地区疟疾传播模式的变化。因此，本研究旨在调查巴西东部亚马逊河流域阿马apap州阿马apap近郊地区的按蚊种类。采用人落诱法和香农灯诱法在3个点采集成蚊。在每个采集点半径2 km范围内的所有可达水库中对孳生点进行筛选，发现albitarsis s.l. Lynch-Arribalzága(35.7%)和巴西按蚊(Chagas)(64.3%)。共采集到有翅按蚊267种:巴西按蚊(62.9%)、mattogrossensis Lutz & Neiva按蚊(11.6%)、三环按蚊(Neiva & Pinto按蚊)(11.6%)、albitarsis按蚊(Lynch-Arribálzaga)(6.7%)、darlingi Root按蚊(5.2%)、peryassui Dyar & Knab按蚊(1.5%)、Nyssorhynchus nuneztovari按蚊Galbadón(0.4%)。考虑到macap有本地疟疾病例，我们的研究结果有助于制定该市的公共卫生措施，从而有助于保护其居民。

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EntomoBrasilis

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