Browsing by Author "Wajidi, M.F.F."
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Item D-allethrin based mosquito coils for mosquito control: Knockdown and mortality effects on the malaria vector anopheles gambiae sensu lato(International Journal of Agriculture and Biology, 2013) Avicor, S.W.; Owusu, E.O.; Wajidi, M.F.F.Bioefficacy of five commonly used d-allethrin (0.1- 0.3% w/w) based coils was evaluated on non-blood fed female adult Anopheles gambiae sensu lato populations. Mortality ranged from 36% - 72% with KT50 and KT90 of 34.92 - 73.88 min and 143.78 - 447.54 min respectively. On the basis of the longer knockdown durations and mortality effects of the coils tested, the 0.3% d-allethrin coil should only be used as a supplement in minimizing vector-human contact and not as a sole protection measure. © 2013 Friends Science Publishers.Item To Coil or Not To Coil: Application Practices, Perception and Efficacy of Mosquito Coils in a Malaria-Endemic Community in Ghana(Environmental Science and Pollution Research, 2017-07) Avicor, S.W.; Wajidi, M.F.F.; Owusu, E.O.Although evidence of mosquito coils’ impact on disease epidemiology is limited, they are popularized as mosquito-borne disease prevention devices. Their usage affects the environment, human and mosquito health. This study investigated the perception, usage pattern and efficacy of coils in a predominantly poor malaria-endemic Ghanaian peri-urban area. Information on protection methods, perception and usage pattern was garnered using questionnaires. The efficacy of commonly used coils in the area was then assessed on the malaria vector, Anopheles gambiae, in a glass chamber. Sole or co-application of mosquito control methods and risky usage practices were reported. Coils were deemed harmful to humans and mosquitoes, and their perceived effectiveness varied, with several factors influencing their purchase. High d-allethrin concentration coils induced quicker mosquito knockdown; however, mortality was less than 85%. The coil usage pattern compromises users’ health and can enhance mosquito tolerance to d-allethrin. The coils were ineffective against the vector, outlining a dichotomy between the users’ perception of efficacy and the observed efficacy. Hence, the usage of other safer and more effective vector control methods should be encouraged to protect households.