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International Journal of Mosquito Research
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Vol. 7, Issue 4, Part A (2020)

Insecticide susceptibility bioassay in Culex quinquefasciatus vector of lymphatic filariasis from Sahel Savannah region of Northwest Nigeria

Author(s): Lawal Nura, Ali Siddiq Idoko, Abdullahi Hadiza and Imam Abdullahi Abdulqadir
Abstract: Lymphatic filariasis (LF) is a disease of significant public health importance, transmitted by both Anopheles and Culex mosquitoes. The aim of this study is to identify the Culex mosquito spp morphologically and by using PCR and to assess the insecticides susceptibility status of Culex mosquitoes. A total of 350 mosquitoes were collected by indoor collection methods using mechanical aspirator and F1 of these collected Culex mosquitoes were used to performed WHO bioassay. Mosquitoes were morphologically and molecularly identified at 274bps as Culex quenquifasciatus from Batagarawa town and Gajerar Giwa village. Culex quenquifasciatus from Batagarawa town are highly resistance to permethrin and DDT recorded 15.39% and 18.12% but, highly susceptible to deltamethrin, bendiocarb, propoxur and malathion recorded 56.68%, 96.4%, 80% and 96.4% knockdown after one hour exposure with mortality rate recorded 21.7%, 32.4%, 96.9%, 96.9%, 80.0% and 100% after 24 hours post exposure respectively. However, Culex quenquifasciatus from Gajerar Giwa village are highly resistance to permethrin and DDT recorded 15.39% and 18.12% but, highly susceptible to deltamethrin, bendiocarb, propoxur and malathion recorded 90%, 56.12%, 77.7% and 89.10% knockdown after one hour exposure, and low mortality was observed with permethrin and DDT recorded 14.9% and 32.5% and then high mortality with deltamethrin, bendiocarb, propoxur and malathion recorded 96.5%, 56.12%, 77.7% and 89.10% after 24 hours post exposure respectively. Permethrin and DDT are no longer effective in vector control programme but, deltamethrin, bendiocarb, propoxur and malathion are still effective in vector control strategy.
Pages: 01-05  |  1117 Views  253 Downloads
How to cite this article:
Lawal Nura, Ali Siddiq Idoko, Abdullahi Hadiza, Imam Abdullahi Abdulqadir. Insecticide susceptibility bioassay in Culex quinquefasciatus vector of lymphatic filariasis from Sahel Savannah region of Northwest Nigeria. Int J Mosq Res 2020;7(4):01-05.
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