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International Journal of Mosquito Research
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International Journal of Mosquito Research
Vol. 3, Issue 6, Part A (2016)

Larvicidal and oviposition-deterrence activities of four local plant extracts from Burkina Faso against Anopheles gambiae S. l. (Diptera: Culicidae)

Author(s): Dimitri Wendgida Wangrawa, Athanase Badolo, Samson Guenne, Wamdaogo Moussa Guelbéogo, Martin Kiendrébeogo, N’Falé Sagnon and Antoine Sanon
Abstract: Mosquitoes have developed resistance to various synthetic insecticides, making their control increasingly difficult. As part of the search for natural biocides, an alternative to synthetic insecticides, larvicidal and oviposition-deterrence activities of ethanol, acetone and hexane extracts of Lantana camara L., Hyptis suaveolens Poit., Ocimum canum Sims. and Hyptis spicigera Lam. on sensitive and local strains of An. gambiae s. l. were evaluated. Larvicidal activity was assessed according to the WHO standard protocol. Oviposition deterrence activity was evaluated using gravid Anopheles gambiae s. l. Phytochemical screening of these plant extracts revealed the presence of terpenes, tannins, saponins, alkaloids, flavonoids, steroids and phenols. The LC50 and LC90 values determined for these extracts varied according to plants and solvents. The hexane extracts of L. camara were the most toxic to An. gambiae local strain larvae with LC50 value of 20.19 ppm (95% CL=14.35-26.67) and LC90 value of 49.29ppm (95% CL=37.13-65.40). Extracts also showed high oviposition- deterrence of An. gambiae. For L. camara acetone extract, The average number of eggs was 0 ± 0, 10 ± 1 and 128 ± 16 eggs in treated plastic cups while in control plastic cups it was 258 ± 36, 224 ± 55 and 256 ± 31 eggs at 100 ppm, 500 ppm, 1000 ppm respectively. Our results indicated that these extracts, mainly extracts of Lantana camara, could be used for An. gambiae control as ecofriendly natural products.
Pages: 11-19  |  1018 Views  18 Downloads
How to cite this article:
Dimitri Wendgida Wangrawa, Athanase Badolo, Samson Guenne, Wamdaogo Moussa Guelbéogo, Martin Kiendrébeogo, N’Falé Sagnon and Antoine Sanon. Larvicidal and oviposition-deterrence activities of four local plant extracts from Burkina Faso against Anopheles gambiae S. l. (Diptera: Culicidae). International Journal of Mosquito Research. 2016; 3(6): 11-19.
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