Malathion and Pirimiphosmethyl susceptibility of bendiocarb resistant Anopheles gambiae s.l. mosquito populations in urban Lagos, Nigeria

Authors

  • Adedayo O. Oduola University of Ilorin Author
  • Emmanuel T. Idowu University of Lagos, Lagos Author
  • Abiodun Obembe Kwara State University, Malete Author
  • Olubunmi A. Otubanjo University of Lagos, Lagos Author
  • Samson T. Awolola Nigerian Institute of Medical Research, Lagos Author

Keywords:

Malaria, Anopheles, insecticide resistance, organophosphate

Abstract

This study assessed susceptibility status of Anopheles mosquito populations to organophosphate insecticides in selected areas within Lagos metropolis. The study also provides an update on the earlier established Anopheles mosquito resistance to some insecticides such as pyrethroids and carbamate. Adult Anopheles mosquito populations reared from larval collections at natural breeding sites in Yaba and Lekki areas in Lagos were exposed to World Health Organization (WHO) insecticide test papers. The insecticides used for the test include: two organophosphates (Malathion and Pirimiphos methyl), two pyrethroids (deltamethrin and permethrin) and one carbamate (bendiocarb). All the mosquitoes used in this study were identified as An. gambiae sensu lato. Results from the study showed that Anopheles populations from the two sites were fully susceptible (100% mortality rates) to the organophosphates (Malathion and Pirimiphos methyl). The Anopheles populations exhibited resistance to pyrethroid (permethrin and deltamethrin) (≤ 60% mortality rates) and carbamate bendiocarb (≤ 38% mortality rates). The resistance levels were higher compared to the reports of earlier studies.

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Published

2022-02-17

Issue

Section

Pure & Applied Sciences

How to Cite

Oduola, A. O., Idowu, E. T., Obembe, A., Otubanjo, O. A., & Awolola, S. T. (2022). Malathion and Pirimiphosmethyl susceptibility of bendiocarb resistant Anopheles gambiae s.l. mosquito populations in urban Lagos, Nigeria. Technoscience Journal for Community Development in Africa, 2(1), 101–108. http://kwasu.site/index.php/technoscience/article/view/34