Effectiveness Intelligent Mosquito System (IMOS) in Reducing Aedes spp. Population and Its Knockdown Efficacy Against Culex quinquefasciatus in 17th College, Universiti Putra Malaysia

Manan, Khairul Aiman (2020) Effectiveness Intelligent Mosquito System (IMOS) in Reducing Aedes spp. Population and Its Knockdown Efficacy Against Culex quinquefasciatus in 17th College, Universiti Putra Malaysia. [Project Paper] (Submitted)

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Abstract

Dengue and Lymphatic Filariasis (LF) are health problems brought upon by Aedes spp. and Culex spp. which both are apparent in Malaysia. Although preventative measures using insecticides have been established, however the number of cases remain high. This is due to the resistance buildup by the mosquito towards it. Intelligent Mosquito System (IMOS) is a product by One-Team-Networks Sdn. Bhd. containing methofluthrin that exhibits potential insecticide properties. Objective: This study is to determine the efficacy of Intelligent Mosquito System (IMOS) in reducing Aedes spp. population and its knockdown efficacy against Culex quinquefasciatus in 17th College, UPM. Methodology: Ovitraps were placed at four wings on every level of each block. After a week, eggs on the substrate in the ovitrap were collected and the population of Aedes spp. for 3 months duration were calculated which included pretreatment and treatment phases on a monthly basis. Selected houses were chosen as treatment and control house. IMOS treatment was in a form of automatic aerosol sprayer which was placed in the living room and 2 bedrooms at fixed height, concentration (0.1ml) and release time at 6.30 a.m. and 4.00 p.m. daily. The efficacy of IMOS in an indoor environment was tested using lab-bred Culex quinquefasciatus mosquitoes which were placed inside a net inside the selected houses and the number of knockdown mosquitoes at various time interval was counted within 2 hours upon initial exposure to IMOS. Results and Discussion: There was a decreasing pattern shown on the number of eggs in treatment block as compared to control block, however, it is statistically insignificant (p>0.05). In addition, there was a significant increase of knockdown efficacy of treatment house at 120 minutes upon exposure to IMOS compared to control house (p<0.05). Conclusion: In this study, IMOS has shown the capabilities in reducing the Aedes spp. population and exhibits high knockdown efficacy against Culex quinquefasciatus in an indoor condition.

Item Type:	Project Paper
Faculty:	Faculty of Medicine and Health Science
Depositing User:	Ms. Nor Safa'aton Saidin
Date Deposited:	23 Aug 2023 00:33
Last Modified:	23 Aug 2023 00:33
URI:	http://psaspb.upm.edu.my/id/eprint/1321

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