Larvicidal, oviposition-deterrence, and excito-repellency activities of four essential oils: an eco-friendly tool against malaria vectors Anopheles coluzzii and Anopheles gambiae (Diptera: Culicidae)

Wangrawa, Dimitri W.; Badolo, Athanase; Guelbéogo, Wamdaogo Moussa; Nébié, Roger C. H.; Sagnon, N’Falé; Borovsky, Dov; Sanon, Antoine

doi:10.1007/s42690-020-00390-7

Cited by 15 publications

(11 citation statements)

References 53 publications

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“…gambiae s.l. with an LC 50 of 106.09 ppm, whereas the acetone extracts of H. suaveolens , H. spicigera , and O. canum were less toxic exhibiting higher lethal concentrations (Wangrawa et al 2016). The acetone extracts of P. hysterophorus (LC 50 = 368 ppm, LC 90 = 809.2 ppm), however, were not effective against the larvae of An.…”

Section: Discussionmentioning

confidence: 99%

“…One of the most effective alternative approaches for sustainable mosquito control is to explore the floral biodiversity in order to develop safe botanical insecticides for sustainable mosquito control (Pavela and Benelli 2016). Developing new plant extracts that are biodegradable in the laboratory and semi-field testing can provide a new weapon to fight malarial vectors (Benelli et al 2018, Maggi and Benelli 2018b, Pavela et al 2019, Wangrawa et al 2021). Plant extracts contain acetogenins, alkaloids, alkalamides, anthraquinones, coumarins, flavonoids, limonoids, polyacetylenes, sesquiterpene lactones, sterols, thiophenes, triterpenoids, and xanthones which are effective against larval mosquitoes (Pavela et al 2019).…”

Section: Introductionmentioning

confidence: 99%

“…The hexane extracts of Lantana camara , which contain terpenes, tannins, saponins, alkaloids, flavonoids, steroids, and phenol are very toxic against An. gambiae s. l. larvae (Wangrawa et al 2016). Plant extracts containing saponosids and alkaloids showed insecticidal activity against Anopheles species (Bukar and Tukur 2019).…”

Section: Introductionmentioning

confidence: 99%

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Methanol and acetone extracts from the leaves of selected aromatic plants affect survival of field collected Anopheles arabiensis (Diptera: Culicidae) from Kisumu, Kenya

Wangrawa

Yameogo

Sombié

et al. 2023

Journal of Medical Entomology

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The massive and inappropriate use of synthetic insecticides is causing significant and increasing environmental disruption. Therefore, developing effective natural mosquitocidal compounds could be an alternative tool for malarial vector control. The present study investigates the larvicidal and adulticidal effect of methanol and acetone extracts of leaves from Lippia chevalieri, Lippia multiflora, Cymbopogon schoenanthus, and Lantana camara against Anopheles arabiensis, to control the most widespread vector transmitting malaria in sub-Saharan. Africa. Extracts were evaluated following WHO modified test procedure against third- to fourth-instar larvae and, non-blood-fed females from 3- to 5-day-old field populations of An. arabiensis under laboratory conditions using WHO larval and CDC bottle bioassays, respectively. Mortality was recorded after 24-h exposure and several compounds were identified in the extracts. The methanolic and acetonic extracts of L. camara were effective against larvae showing lethal concentrations to 50% (LC50) of the population, at 89.48 and 58.72 ppm, respectively. The acetonic extracts of C. schoenanthus and L. chevalieri showed higher toxicities LC50s of 0.16% and 0.22% against female adults, respectively. The methanolic extracts of L. multiflora and L. chevalieri LC50s were effective at 0.17% and 0.27%, respectively, against female adults. These results indicate that the plant extracts tested may represent effective means to control An. arabiensis when used to treat the surface of the marshes.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Methanol and acetone extracts from the leaves of selected aromatic plants affect survival of field collected Anopheles arabiensis (Diptera: Culicidae) from Kisumu, Kenya

Wangrawa

Yameogo

Sombié

et al. 2023

Journal of Medical Entomology

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“…To determine the oviposition deterrent activities (ODA) of essential oil constituents, the test was performed following a modified protocol from Zhang et al [ 32 ] and Wangrawa et al [ 33 ]. Ten gravid female B. dorsalis were introduced in a wooden cage (30 × 30 × 30 cm) with sugar, hydrolyzed yeast, and water ad libitum as food.…”

Section: Methodsmentioning

confidence: 99%

“…The Kramer and Mulla formula was used to determine the oviposition activity index (OAI). The index ranges from −1 to 1, with −1 indicating the most oviposition-deterrence effect and 1 indicating the lowest oviposition-deterrence effect [ 33 , 34 ]. The oviposition activity index (OAI) was calculated using the following formula:

where NT is the number (N) of eggs in treatment and NC is the number of eggs in control.…”

Section: Methodsmentioning

confidence: 99%

Toxicity of Some Essential Oils Constituents against Oriental Fruit Fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae)

Jaffar

2022

Insects

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The massive use of synthetic pesticides to manage agricultural pests results in environmental pollution and health hazards. The secondary plant metabolites, which are majorly dominated by terpenoids, have the potential to be developed into novel alternatives to synthetic chemicals. Therefore, in our current investigation, six majorly dominated essential oil constituents were evaluated for their toxicity against adults and immature stages of oriental fruit flies, Bactrocera dorsalis, a worldwide fruit pest. The results indicated that carvacrol was the most toxic essential oil constituent (EOC) to adult flies, with LC50 of 19.48 mg/mL via fumigant assay, followed by thujone 75% mortality via ingestion toxicity test against adult fruit flies. Similarly, when larvae were dipped in different concentrations of EOCs, carvacrol appeared as the most toxic EOC with the lowest LC50 (29.12 mg/mL), followed by (−)-alpha-pinene (26.54 mg/mL) and (R)-(+)-limonene (29.12 mg/mL). In the oviposition deterrence tests, no egg was observed on oranges seedlings treated with 5% of each EOC (100% repellency). Regarding the repellency assay, a significantly higher number of flies (77%) were repelled from the Y-tube olfactometer arm containing (−)-alpha-pinene, followed by carvacrol (76%). Our results showed that the selected essential oil constituent has the potential to be developed as an alternative to synthetic pesticides against B. dorsalis. However, further research is required to assess the activities of these EOCs under open-field conditions.

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Essential Oil Used as Larvicides and Ovicides

Kaur

2023

Essential Oils

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Larvicidal, oviposition-deterrence, and excito-repellency activities of four essential oils: an eco-friendly tool against malaria vectors Anopheles coluzzii and Anopheles gambiae (Diptera: Culicidae)

Cited by 15 publications

References 53 publications

Methanol and acetone extracts from the leaves of selected aromatic plants affect survival of field collected Anopheles arabiensis (Diptera: Culicidae) from Kisumu, Kenya

Methanol and acetone extracts from the leaves of selected aromatic plants affect survival of field collected Anopheles arabiensis (Diptera: Culicidae) from Kisumu, Kenya

Toxicity of Some Essential Oils Constituents against Oriental Fruit Fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae)

Essential Oil Used as Larvicides and Ovicides

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