Insecticide susceptibility tests of Aedes albopictus Skuse in geothermal hot springs, Malaysia

Wan-Norafikah, Othman and Hasani, Narimah Abdul Hamid and Nabila, Abu Bakar and Najibah, Ibrahim and Nurjuani, Abdul Hadi Hazirah and Masliana, Muhamad and Aliah-Diyanah, Sharifah and Alia-Yasmin, Zakaria and Yasmin-Zafirah, Ibrahim and Farah-Farhani, Azhar and Azahari, Abdul Hadi and Faiqah-Nadhirah, Mazkamal and Nurul-Azira, Mohd Shah (2024) Insecticide susceptibility tests of Aedes albopictus Skuse in geothermal hot springs, Malaysia. Chiang Mai Journal of Science, 51 (1). ISSN 0125-2526, DOI

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Dengue fever is a major public health concern, including more than 20,000 reported dengue cases annually in Malaysia. Aedes albopictus is the primary vector of chikungunya and secondary vector of dengue and Zika viruses. The susceptibility to dichlorodiphenyltrichloroethane (DDT), dieldrin, fenitrothion, pirimiphos-methyl, propoxur and bendiocarb of Ae. albopictus from four hot springs in Selangor, Malaysia was ascertained in accordance with World Health Organization guidelines. Three-to five-day old female mosquitoes which were reared from eggs collected by ovitraps were exposed to discriminating dosages of insecticides for 1 hr recommended exposure period, and the 24 h mortality was recorded. The Kerling Hot spring (KERL) population was susceptible to six insecticides. All four field populations were susceptible to pirimiphos-methyl 0.25 indicating it could be considered as a replacement insecticide for future vector control operations. Propoxur is the second in line as an alternative insecticide based on mortality > 80.0. Nevertheless, it is necessary to confirm their cross-resistance to pyrethroids and other organophosphates before using them in rotation in the management of insecticide resistance. © 2024, Chiang Mai University. All rights reserved.

Item Type: Article
Funders: Dana UiTM [Grant no. 600-UiTMSEL], Institute for Medical Research, Medical Entomology Unit, UiTM Selangor Branch, UiTM Sungai Buloh Campus, Ministry of Health, Faculty of Medicine, American University of Beirut
Uncontrolled Keywords: Aedes albopictus; Carbamates; Hot springs; Insecticide susceptibility; Malaysia; Organophosphates
Subjects: Q Science > QH Natural history > QH301 Biology
R Medicine
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 20 May 2024 08:11
Last Modified: 20 May 2024 08:11

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