2011
DOI: 10.1603/me10205
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Toxicity of Brazilian Plant Seed Extracts to Two Strains of Aedes aegypti (Diptera: Culicidae) and Nontarget Animals

Abstract: Seed ethanolic extracts of 21 Brazilian plants were evaluated for ovicidal, larvicidal, and pupicidal activities against insecticide-susceptible (SS) and field-collected (FC) strains of Aedes aegypti (L.) (Diptera: Culicidae), as well as for their effects on nontarget organisms. Myracrodruon urundeuva Fr. Allemao extract was highly toxic to both mosquito strains. Schinopsis brasiliensis Engler extract showed low toxicity and was 38-68 times less toxic to Ae. aegypti larvae than was M. urundeuva extract. The pu… Show more

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Cited by 38 publications
(30 citation statements)
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“…The water extract of A. macrocarpa seeds exhibited an LC50 of 430 μg/mL (Farias et al, 2010). For the same species, Souza et al observed that seed extracts induced a 70% larvicidal activity against two strains of A. aegypti at a concentration of 1000 μg/mL (Souza et al, 2011).…”
Section: Resultsmentioning
confidence: 99%
“…The water extract of A. macrocarpa seeds exhibited an LC50 of 430 μg/mL (Farias et al, 2010). For the same species, Souza et al observed that seed extracts induced a 70% larvicidal activity against two strains of A. aegypti at a concentration of 1000 μg/mL (Souza et al, 2011).…”
Section: Resultsmentioning
confidence: 99%
“…The oral administration of the aqueous stem extract of B. micrantha in divided doses up to 8g/kg show no mortalities in rats and but showed mortalities at the dose of 6g/kg and 8g/kg in mice recording 16.6% and 33.33% mortality respectively indicating that the LD 50 of the aqueous extract is greater than 5mg/kg. The LD 50 greater than 5mg/kg put B. micrantha aqueous extract under the non-toxic category substance in using the Hodge and Sterner scale for toxicity classification of substance 26,27 . In Fig.…”
Section: Resultsmentioning
confidence: 99%
“…Most studies with plant products from this ecological region have focused on extracts or essential oils to control insect disease vectors (Lima et al 2006;Farias et al 2010;Souza et al 2011;Santos et al 2012; Barbosa et al 2014). Few studies investigated the potential of Caatinga plant powders as commodity protectants, and they normally evaluated only mortality effects (Souza & Trovão 2009;Cruz et al 2013).…”
Section: Discussionmentioning
confidence: 99%
“…(Kedia et al 2013); blocking the spiracles and causing asphyxiation (Denloye 2010); or impairing physiological processes by penetrating the insect body via the respiratory or alimentary system (Ofuya & Dawodu 2002). Plant powders of S. occidentalis caused significant mortality in C. maculatus (Adesina et al 2011), and insecticidal properties of A. pyrifolium (Torres et al 2006), C. sonderianus Lima et al 2006Lima et al , 2013, A. cearensis (Farias et al 2010;Souza et al 2011), andZ. joazeiro (Souza et al 2011) have been documented in different insect species.…”
Section: Discussionmentioning
confidence: 99%