Anopheles bionomics in a malaria endemic area of southern Thailand

Autor: Narenrit Wamaket, Oranicha Khamprapa, Sittinont Chainarin, Panisa Thamsawet, Ubolrat Ninsaeng, Suttipong Thongsalee, Veerast Suwan, Jira Sakolvaree, Ratree Takhampunya, Silas A. Davidson, Patrick W. McCardle, Patiwat Sa-angchai, Mavuto Mukaka, Kirakorn Kiattibutr, Amnat Khamsiriwatchara, Wang Nguitragool, Jetsumon Sattabongkot, Jeeraphat Sirichaisinthop, Kevin C. Kobylinski
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Parasites & Vectors, Vol 14, Iss 1, Pp 1-19 (2021)
Druh dokumentu: article
ISSN: 1756-3305
DOI: 10.1186/s13071-021-04870-8
Popis: Abstract Background Ivermectin mass drug administration (MDA) could accelerate malaria elimination in the Greater Mekong Subregion. This study was performed to characterize the bionomics of Anopheles in Surat Thani province, Thailand. Methods Mosquitoes were collected via human landing collections between February and October 2019. Anopheles mosquitoes were morphologically identified to species. Primary Anopheles malaria vectors were dissected to assess parity status, and a subset were evaluated for molecular identification and Plasmodium detection. Results A total of 17,348 mosquitoes were collected during the study period; of these, 5777 were Anopheles mosquitoes. Morphological studies identified 15 Anopheles species, of which the most abundant were Anopheles minimus (s.l.) (87.16%, n = 5035), An. dirus s.l. (7.05%, n = 407) and An. barbirostris s.l. (2.86%, n = 165). Molecular identification confirmed that of the An. minimus s.l. mosquitoes collected, 99.80% were An. minimus (s.s.) (n = 484) and 0.2% were An. aconitus (n = 1), of the An. dirus (s.l.) collected, 100% were An. baimaii (n = 348), and of the An. maculatus (s.l.) collected, 93.62% were An. maculatus (s.s.) (n = 44) and 6.38% were An. sawadwongporni (n = 3). No Anopheles mosquito tested was Plasmodium positive (0/879). An average of 11.46 Anopheles were captured per collector per night. There were differences between species in hour of collection (Kruskal–Wallis H-test: χ 2 = 80.89, P
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