Leaf extracts of Melia azedarach Linnaeus (Sapindales: Meliaceae) act as larvicide against Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae)

Prophiro, Josiane Somariva; Rossi, Juliana Chedid Nogared; Pedroso, Murilo Fernandes; Κanis, Luiz Alberto; Silva, Onilda Santos

doi:10.1590/s0037-86822008000600003

Cited by 11 publications

(7 citation statements)

References 17 publications

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“…Outras formas de utilização são indicadas, como por exemplo, espalhar ramos e folhas verdes da planta pelo chão do galpão e arredores para o controle de pulgas ou pendurar na parede para o controle de moscas. Trabalhos científicos têm demonstrado os efeitos dos extratos de cinamomo no controle de insetos e pragas na agricultura (Brunherotto & Vendaramim, 2001) e a insetos vetores e transmissores de doenças (Prophiro et. al., 2008;Guirado & Bicudo, 2009).…”

Section: Introductionunclassified

Efeito do extrato de Melia azedarach sobre a predação de alevinos de carpa comum (Cyprinus carpio) por larvas de Neuraeschna (Odonata: Aeshnidae)

Júnior¹,

Franco

Casaca

et al. 2011

Braz. J. Aquat. Sci. Technol.

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The presence of larvae of predator insects in fish farming ponds is one of the factors that contribute to the reduction of the survival of fingerlings and consequently to the decrease of production profits. Dragonflies, which belong to the order Odonata, lay their eggs directly in the water, are among the insects that have a harmful effect on fish farming. The larvae are aggressive carnivores and predate post-larvae fish and fingerlings, and thus become economically relevant plagues. The objective of this work is to study the occurrence of Odonata larvae in fish ponds and evaluate the effect of Melia azedarach extract adsorved in silica to control Odonata larvae predation on common carp. A total of 126 larvae (Insecta: Odonata) of the suborder Anisoptera were registered in the monitored ponds. Of those, 80 belonged to the family Aeshnidae and 46 to the Libellulidae. The genera Neuraeschna was dominant in the three sampled ponds and was used in the biological tests. During the predation tests of common carp fingerlings (Cyprinus carpio) by the Neuraeschna larva, the average consumption was of 5,2 and 7,2 fingerlings in the treatments with and without Cinamono Ethanolic extract (EEC), respectively. The adoption of good practises in Aquaculture and the sustainability of fish farming require the adoption of natural products.

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Section: Introductionunclassified

Efeito do extrato de Melia azedarach sobre a predação de alevinos de carpa comum (Cyprinus carpio) por larvas de Neuraeschna (Odonata: Aeshnidae)

Júnior¹,

Franco

Casaca

et al. 2011

Braz. J. Aquat. Sci. Technol.

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“…Thus is important the development of new products, with the capacity to prevent or minimize the resistance, to combat insects (1) . Biological products represent alternative approaches for preventing the development of resistance in mosquitoes.Plants contain bioactive compounds with insecticidal properties that could be suitable for mosquito control applications (2) . Several species of the genus Solanum have demonstrated larvicidal and pupicidal activities against the mosquito Culex quinquefasciatus (3) (4) (5) .…”

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confidence: 99%

“…Plants contain bioactive compounds with insecticidal properties that could be suitable for mosquito control applications (2) . Several species of the genus Solanum have demonstrated larvicidal and pupicidal activities against the mosquito Culex quinquefasciatus (3) (4) (5) .…”

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confidence: 99%

Larvicidal activity of oils, fatty acids, and methyl esters from ripe and unripe fruit of Solanum lycocarpum (Solanaceae) against the vector Culex quinquefasciatus (Diptera: Culicidae)

Silva

Neto

Alves

et al. 2015

Rev. Soc. Bras. Med. Trop.

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Introduction:The larvicidal activity of oils, fatty acids, and methyl esters of Solanum lycocarpum fruit against Culex quinquefasciatus is unknown. Methods: The larvicidal activity of samples of ripe and unripe fruit from S. lycocarpum was evaluated against third and fourth instar larvae of C. quinquefasciatus. Results: The oils, fatty acids, and methyl esters of S. lycocarpum showed the greatest larvicidal effect (57.1-95.0%) at a concentration of 100mg/L (LC 50 values between 0.70 and 27.54mg/L). Conclusions: Solanum lycocarpum fruit may be a good source of new natural products with larvicidal activity.Keywords: Bioassay. Mosquito. Pesticide. Synthetic insecticides are used to control mosquito vectors of diseases in several parts of the world. However, resistance to synthetic insecticides has recently become problematic in vector control programs. Thus is important the development of new products, with the capacity to prevent or minimize the resistance, to combat insects (1) . Biological products represent alternative approaches for preventing the development of resistance in mosquitoes.Plants contain bioactive compounds with insecticidal properties that could be suitable for mosquito control applications (2) . Several species of the genus Solanum have demonstrated larvicidal and pupicidal activities against the mosquito Culex quinquefasciatus (3) (4) (5) . Solanum lycocarpum A. St. Hil. (Solanaceae) is popularly known as the fruit of the wolf and is widely distributed in the Brazilian Cerrado (6) . Solanum lycocarpum is commonly used in traditional medicine as a sedative and a treatment for epilepsy, asthma, diabetes, obesity, abdominal pain, renal pain, and high cholesterol levels (7) . Despite the widespread medicinal usage of S. lycocarpum and the reported insecticidal properties of other Solanum species, no studies have been conducted on the insecticidal activity of oils, fatty acids, and methyl esters obtained from the ripe and unripe fruit of S. lycocarpum.Fruit of S. lycocarpum A. St. Hil. were collected in São Sebastião do Oeste, Minas Gerais, Brazil in August 2011. The plant material was identifi ed by Dr. Alexandre Salino. A voucher specimen (BHCB 159397) was deposited at the Instituto de Ciências Biológicas Herbarium, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil. Samples of the dried and powdered unripe (170.01g) and ripe (250.58g) fruit were subjected to oil extraction using a Soxhlet extractor with petroleum ether as the solvent (Vetec®, São Paulo, Brazil; 700mL, 6h). The extracted oils were concentrated in a rotary evaporator at 50°C under reduced pressure to produce 26.95g of oil of unripe fruit (OUF) and 29.09g of oil of ripe fruit (ORF).Fatty acids and methyl esters were isolated from S. lycocarpum via transesterifi cation (8) . OUF and ORF (2g each) were refl uxed with 1.0 mol/L methanolic NaOH solution for 30 min and extracted with ethyl ether. The aqueous phases were acidifi ed with 1.0 mol/L HCl solution and extracted with ethyl ether to obtain fatty...

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“…Plants are a source of bioactive compounds that have insecticidal properties and therefore may be suitable for mosquito control 3 . Phytoextracts have previously been shown to be successful in various biocontrol programs, and essential oils of different plants are used as potential mosquito repellents.…”

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confidence: 99%

Larvicidal activity of the methanol extract and fractions of the green fruits of Solanum lycocarpum(Solanaceae) against the vector Culex quinquefasciatus (Diptera: Culicidae)

Pereira

Silva

Neto

et al. 2014

Rev. Soc. Bras. Med. Trop.

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The species Culex quinquefasciatus (Diptera: Culicidae) is a mosquito inhabiting urban regions, with a wide geographical distribution. This species is involved in the transmission of lymphatic fi lariasis in the Americas, particularly in Brazil. C. quinquefasciatus is of great importance in public health as it creates administrative and public challenges for the control of mosquito vectors 1 . Synthetic insecticides have been widely used to control mosquito vectors of disease in various parts of the world; however, resistance to these insecticides has recently become problematic in vector control programs. Moreover, the continuous monitoring of mosquito populations may play an important role in attempting to develop management strategies that will prevent or minimize the development of resistance to pesticides, as well as to develop new products to combat insects 2 . Thus, the use of biological products is an alternative approach for preventing the development of resistance in mosquitoes.Plants are a source of bioactive compounds that have insecticidal properties and therefore may be suitable for mosquito control 3 . Phytoextracts have previously been shown to be successful in various biocontrol programs, and essential The species Solanum lycocarpum A. St. Hil., belonging to the Solanaceae family, is popularly known as lobeira and is widely distributed in the Brazilian cerrado 6 . It is widely used in traditional medicine as a sedative, in the treatment of epilepsy, asthma, diabetes, obesity, for the reduction of cholesterol levels, and for abdominal and renal pain 7 .To our knowledge, for the fi rst time, we show the larvicidal activities of the extracts and fractions obtained from the green fruits of S. lycocarpum against C. quinquefasciatus.The green fruits of S. lycocarpum A. St. Hil. were collected in the City of São Sebastião do Oeste, State of Minas Gerais, Brazil, in August 2011. The plant material was identifi ed by Dr. Alexandre Salino, and a voucher specimen (BHCB 159397) was deposited at the Instituto de Ciências Biológicas Herbarium, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil. Methanol was used as solvent to obtain the extract from 170.01g of dried and powdered green fruits, using a Soxhlet extractor. The extract was then concentrated in a rotary evaporator at 50°C under reduced pressure to yield the methanol extract (MET, 14.53g). Some of this extract (6.82g) was dissolved in MeOH/H 2 O (1:1) and then partitioned successively with hexane, dichloromethane, and ethyl acetate (Vetec®, São Paulo, Brazil; 100 mL, twice with each solvent), yielding 0.09, 0.23, 0.34, and 5.50g of hexane (HEX), dichloromethane (DCM), ethyl acetate (AC), and hydromethanolic (HM) fractions, respectively. The extract and fractions were screened for the presence of different phytoconstituents such as saponins, tannins, alkaloids, steroids, triterpenes, coumarins, and fl avonoids Culex quinquefasciatus larvae were obtained from a laboratory culture, as previously described by Gerberg 9 . Both the third and...

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Leaf extracts of Melia azedarach Linnaeus (Sapindales: Meliaceae) act as larvicide against Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae)

Cited by 11 publications

References 17 publications

Efeito do extrato de Melia azedarach sobre a predação de alevinos de carpa comum (Cyprinus carpio) por larvas de Neuraeschna (Odonata: Aeshnidae)

Efeito do extrato de Melia azedarach sobre a predação de alevinos de carpa comum (Cyprinus carpio) por larvas de Neuraeschna (Odonata: Aeshnidae)

Larvicidal activity of oils, fatty acids, and methyl esters from ripe and unripe fruit of Solanum lycocarpum (Solanaceae) against the vector Culex quinquefasciatus (Diptera: Culicidae)

Larvicidal activity of the methanol extract and fractions of the green fruits of Solanum lycocarpum(Solanaceae) against the vector Culex quinquefasciatus (Diptera: Culicidae)

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