2020
DOI: 10.1007/s11356-020-09808-8
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Lethal and sublethal effects of the natural and healthy spinosad-based formulation Tracer™ on tadpoles of two neotropical species

Abstract: This paper presents the first acute toxicity data of the natural insecticide spinosad in amphibians. The sensitivity of two neotropical sympatric anuran species, Boana pulchella and Rhinella arenarum, to spinosad-based formulation Tracer™ was evaluated. Lethal effects are reported in tadpoles of B. pulchella stage 25 between 2.81 and 35.44 mg spinosad/L, while for the same concentration range no lethal effects were detected in tadpoles of R. arenarum of the same stage. In addition, Tracer™ produced sublethal e… Show more

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Cited by 6 publications
(2 citation statements)
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“…Contaminants (e.g., pharmaceuticals, agrochemicals, health care products) affect survival and produce several sublethal effects on amphibians [ 29 , 30 ]. Death and sublethal effects at different biological levels (e.g., cell, endocrinology, metabolic and behavior alterations, metamorphosis rates, malformations, among others) were determined for amphibian tadpoles [ 31 33 ]. In addition, the cholinesterase (ChEs) enzyme activity is useful to indicate the presence of neurotoxic substances in amphibian tadpoles [ 34 ].…”
Section: Introductionmentioning
confidence: 99%
“…Contaminants (e.g., pharmaceuticals, agrochemicals, health care products) affect survival and produce several sublethal effects on amphibians [ 29 , 30 ]. Death and sublethal effects at different biological levels (e.g., cell, endocrinology, metabolic and behavior alterations, metamorphosis rates, malformations, among others) were determined for amphibian tadpoles [ 31 33 ]. In addition, the cholinesterase (ChEs) enzyme activity is useful to indicate the presence of neurotoxic substances in amphibian tadpoles [ 34 ].…”
Section: Introductionmentioning
confidence: 99%
“…En el caso de los anfibios, el frecuente uso y no controlado de plaguicidas se ha atribuido como una de las principales causas del fenómeno de disminución mundial de las poblaciones, siendo las especies con estadios larvales, organismos con características biológicas que le confieren gran sensibilidad (Boesten et al, 2007;Sparling y Fellers., 2009;Bishop et al, 2012;Wagner y Viertel., 2017). A partir de estudios realizados con larvas de anuros autóctonos de la región pampeana se ha podido determinar los efectos de los plaguicidas con mayor uso en la región (Boccioni et al, 2021;Aronzón et al, 2016;Bahl et al, 2021;Agostini et al, 2020). El cambio gradual hacia una agricultura moderna e intensiva en el país, ha diversificado el mercado de plaguicidas, que desde un principio ha sido dominado por los herbicidas, siendo el glifosato la molécula más utilizada (Arias et al, 2011).…”
Section: Contaminación De Ambientes Acuáticos Por Plaguicidasunclassified