Citation :

Lègba Nazaire Aïzoun, Seindé Espérance Medoatinsa, Alda Aude Sèna Yémadjè, Mindégnisèa Habib Tamègnon, Goué Géorcelin Alowanou, Chèpo Daniel Chougourou, "Importance of Insecticide Resistance Monitoring and its Implications for Malaria Vector Control in South-Western Republic of Benin, West Africa," International Journal of Biotech Trends and Technology (IJBTT), vol. 16, no. 2, pp. 1-7, 2026. Crossref, https://doi.org/10.14445/22490183/IJBTT-V16I2P101

Abstract

Malaria is a public health concern and insecticide resistance monitoring is necessary in this disease control. The current study was aimed to compare the susceptibility to cyfluthrin in female adult Anopheles gambiae sensu lato from Lokossa district with their F1 progeny susceptibility in malaria vector control in South-Western Republic of Benin, West Africa. Larvae and pupae of Anopheles gambiae s.l. populations were collected in their breeding sites in Mono department from March to July 2024 during the great rainy season and reared up for obtaining F1 progeny. Female adult An. gambiae s.l. mosquitoes were also collected from window traps put on windows of rooms in Lokossa district surveyed using small electronic rackets. Female adult An. gambiae species collected from window traps were morphologically identified using morphological keys and then transferred into mosquito cages for WHO bioassays performed with impregnated papers of cyfluthrin (0.15%). WHO bioassays were also performed with F1 progeny. The physiological age of female adult An. gambiae s.l. collected from window traps was determined through dissection using Detinova method. The results showed that female adult Anopheles gambiae s.l. from Lokossa district collected from window traps were more susceptible to cyfluthrin than their F1 progeny. Changes in mosquito physiology occur with senescence. The resistance is a hereditary and dynamic phenomenon. Some Anopheles gambiae blood fed mosquitoes in the mosquito fauna collected in window traps put on windows of locations surveyed in Lokossa district were found. The monitoring of insecticide resistance in malaria vectors needs some biotechnologies or tools.

Keywords

Benin, Malaria Vector Control, Public health, Electronic racket, Resistance Monitoring.

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