Insecticidal activity of essential oils from six aromatic plants against Aedes aegypti, dengue vector from two localities of Ouagadougou, Burkina Faso

Yameogo, Félix; Wangrawa, Dimitri W.; Sombié, Aboubacar; Sanon, Antoine; Badolo, Athanase

doi:10.1007/s11829-021-09842-4

Cited by 14 publications

(11 citation statements)

References 46 publications

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“…The LC 50 and LC 90 values obtained with the L. multiflora in this current study were lowest than those reported by Bassole et al (23). Recently, the same trend was observed by Yameogo et al (22), who showed also the toxic effect of L. multiflora against Ae. aegypti populations from Tabtenga, Ouagadougou.…”

Section: Discussionsupporting

confidence: 80%

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Essential Oils From Five Local Plants: An Alternative Larvicide for Anopheles gambiae s.l. (Diptera: Culicidae) and Aedes aegypti (Diptera: Culicidae) Control in Western Burkina Faso

Balboné¹,

Soma²,

Namountougou³

et al. 2022

Front. Trop. Dis

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IntroductionMalaria and dengue are two main vector-borne infectious diseases transmitted by Anopheles gambiae and Aedes aegypti, respectively, in tropical and subtropical regions. The concern for environmental safety and the increasing development of resistance to the chemical in main arthropod vectors raises interest in the search for botanicals such as essential oils (EOs) that can be used in vector control.MethodsLarvicidal bioassays were performed according to the WHO standard methods using Ae. aegypti and An. gambiae larvae collected from Bobo-Dioulasso and in the Kou Valley (VK), respectively, two areas located in Houet Province of western Burkina Faso. Kisumu and Bora bora, the susceptible strains of An. gambiae and Ae. aegypti, respectively, were used as controls. OEs extracted from leaves of five aromatic plants, Cymbopogon citratus, Cymbopogon nardus, Eucalyptus camaldulensis, Lippia multiflora, and Ocimum americanum, naturally growing in Burkina Faso were tested. The pyriproxyfen was used as a positive control.ResultsAs a result, the lethal concentrations (LC50) for Ae. aegypti from Bobo-Dioulasso and An. gambiae from VK ranged from 41.9 to 103.8 ppm and 39.5 to 138.1 ppm, respectively. As for LC90 values, they ranged from 74.6 to 311.3 ppm for Ae. aegypti from Bobo-Dioulasso and from 90.2 to 328.9 ppm for An. gambiae from VK. Among the EOs tested, L. multiflora showed the highest activity against all the strains of An. gambiae and Ae. aegypti larvae. No difference in terms of LC50 values was found between L. multiflora and pyriproxyfen used as a positive control on An. gambiae larvae. It is not the case for Aedes aegypti populations, where pyriproxyfen remains the most toxic. Overall, An. gambiae populations were the most susceptible to EOs tested as compared to Ae. aegypti populations.ConclusionOur study furthers our knowledge of the larvicidal activity of EOs in the western part of Burkina and opens new avenues in their putative use in vector control strategies.

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Section: Discussionsupporting

confidence: 80%

“…In Burkina Faso, some studies on the insecticidal effects of EOs with mosquitoes in general and mosquito larvae in particular have involved strains restricted to Ouagadougou (21)(22)(23). Little is known about the EO susceptibility in Anopheles and Aedes populations in the western part of this country.…”

Section: Introductionmentioning

confidence: 99%

Essential Oils From Five Local Plants: An Alternative Larvicide for Anopheles gambiae s.l. (Diptera: Culicidae) and Aedes aegypti (Diptera: Culicidae) Control in Western Burkina Faso

Balboné¹,

Soma²,

Namountougou³

et al. 2022

Front. Trop. Dis

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“…Regarding the weak toxicity of most EOs against vectors, strategies based on their combination may improve their e ciency. Recent studies on Aedes aegypti populations from Ouagadougou (Burkina Faso) showed low toxicity of 3 of the 5 EOs tested in the present study, namely Ocimum americanum, Cymbopogon nardus, Eucalyptus camaldulensis (Yaméogo et al 2021). According to Chansang et al (2018), combination of EO-Permethrin shown a synergist effect on Aedes populations from Thailand.…”

Section: Introductionsupporting

confidence: 53%

“…aegypti (Namountougou et al 2020. Regarding this situation, plants extracts seem to be an alternative because they contain large number of bioactive, effective, biodegradable compounds and have been used currently for mosquito control (Boonyuan et al 2014, Yaméogo et al 2021. From the present knowledge, these are the rst time that works on toxicity of combinations of whole EOs on Ae.…”

Section: Discussionmentioning

confidence: 99%

Alternatives to chemical resistance: Combinations of Cymbopogon nardus and Ocimum americanum essential oils improve the bioefficiency control against the adults populations of Aedes aegypti L. (Diptera: Culicidae).

Gnankiné

2022

Preprint

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Dengue vector control strategies are mostly based on chemicals use against Aedes aegypti populations. The current study aimed at investigating the insecticidal effects of essential oils obtained from five plant species, Cymbopogon citratus, Cymbopogon nardus, Eucalyptus camaldulensis, Lippia multiflora and Ocimum americanum, and combinations of Cymbopogon nardus and Ocimum americanum on Aedes aegypti populations from Bobo-Dioulasso. For this purpose, adults of the susceptible and field strains of Aedes aegypti were tested in WHO tubes with EO alone and binary combinations of O. americanum (OA) and C. nardus (CN) (scored from C1 to C9). The extraction of the essential oils was done by hydrodistillation and their components were determined by GC/MS. Among the 5 EOs tested, L. multiflora essential oil was the most efficient, with KDT50 values below 60 minutes on all Aedes aegypti strains tested, and also with a rate of mortality up to 100 and 85% for Bora Bora and Bobo-Dioulasso strains, respectively. This efficacy may be due to its major compounds which are with major compounds as ß-caryophyllene, p-cymene, thymol acetate and 1.8 cineol. Interestingly, on all strains, C8 combination showed a synergistic effect while C2 showed an additive effect. These combinations exhibit a rate of mortality varying from 80 to 100%. Their toxicity would be due to the major compounds and the putative combined effects of some major and minor compounds. More importly, L. multiflora EO and combinations of C. nardus and O. americanum EO, may be used as alternatives against pyrethroid resistants of Ae. aegypti.

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“…Some studies have also attempted to formulate efficient insecticides by combining different plants with chemical insecticides to increase the overall toxicity and minimize the secondary effects 19 . Recent studies have shown insecticidal properties of EO of Cymbopogon nardus, Eucalyptus camaldulensis, Lippia multiflora , and Ocimum americanum 20 . These studies focused on Aedes aegypti populations in the city of Ouagadougou, Central Burkina Faso.…”

Section: Introductionmentioning

confidence: 99%

Essential oils of plants and their combinations as an alternative adulticides against Anopheles gambiae (Diptera: Culicidae) populations

Gnankiné

2022

Preprint

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The persistence of malaria and the increasing of resistance of Anopheles gambiae species to chemicals remain major public health concerns in sub-Saharan Africa. Faced to these concerns, the search for alternative vector control strategies as use of essential oils need to be implemented. Here, the five essential oils (EOs) from Cymbopogon citratus, Cymbopogon nardus, Eucalyptus camaldulensis, Lippia multiflora, Ocimum americanum obtained by hydro distillation were tested according to WHO procedures on Anopheles gambiae Kisumu and field strains collected in Vallee du Kou. Also, the binary combinations of C. nardus and O. americanum were examined. As results, among the EOs tested, L. multiflora was the most efficient regarding KDT50 and KDT95 and rate of morality values. Our current study showed that C8 (C.n 80% : O.a 20%) and C9 (C.n 90% : O.a 10%), were more toxic to Anopheles gambiae strain VK with the mortality rates reaching 80.7 and 100% at the 1% concentration, respectively. These two binary combinations shown a synergistic effect on the susceptible population. However, only C9 showed a synergistic effect on VK population. The bioactivity of the two EOs, Cymbopogon nardus and Ocimum americanum, was improved by the combinations at certain proportions and may constitute an alternative to pyrethroid resistance.

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Insecticidal activity of essential oils from six aromatic plants against Aedes aegypti, dengue vector from two localities of Ouagadougou, Burkina Faso

Cited by 14 publications

References 46 publications

Essential Oils From Five Local Plants: An Alternative Larvicide for Anopheles gambiae s.l. (Diptera: Culicidae) and Aedes aegypti (Diptera: Culicidae) Control in Western Burkina Faso

Essential Oils From Five Local Plants: An Alternative Larvicide for Anopheles gambiae s.l. (Diptera: Culicidae) and Aedes aegypti (Diptera: Culicidae) Control in Western Burkina Faso

Alternatives to chemical resistance: Combinations of Cymbopogon nardus and Ocimum americanum essential oils improve the bioefficiency control against the adults populations of Aedes aegypti L. (Diptera: Culicidae).

Essential oils of plants and their combinations as an alternative adulticides against Anopheles gambiae (Diptera: Culicidae) populations

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