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Assessment of Sublethal Effects of Neonicotinoid Insecticides on the Life-History Traits of 2 Frog Species.
Robinson, S A; Richardson, S D; Dalton, R L; Maisonneuve, F; Bartlett, A J; de Solla, S R; Trudeau, V L; Waltho, N.
Afiliación
  • Robinson SA; Environment and Climate Change Canada, Ecotoxicology and Wildlife Health Division, Ottawa, Ontario, Canada.
  • Richardson SD; Department of Biology, Carleton University, Ottawa, Ontario, Canada.
  • Dalton RL; Department of Biology, Carleton University, Ottawa, Ontario, Canada.
  • Maisonneuve F; Environment and Climate Change Canada, Ecological Assessment Division, Gatineau, Quebec, Canada.
  • Bartlett AJ; Environment and Climate Change Canada, Ecotoxicology and Wildlife Health Division, Ottawa, Ontario, Canada.
  • de Solla SR; Environment and Climate Change Canada, Aquatic Contaminants Research Division, Burlington, Ontario, Canada.
  • Trudeau VL; Environment and Climate Change Canada, Ecotoxicology and Wildlife Health Division, Burlington, Ontario, Canada.
  • Waltho N; Department of Biology, University of Ottawa, Ottawa, Ontario, Canada.
Environ Toxicol Chem ; 38(9): 1967-1977, 2019 09.
Article en En | MEDLINE | ID: mdl-31386781
Neonicotinoid insecticides are used extensively in agriculture and, as a consequence, are now detectable in nearby aquatic environments. Few studies have evaluated the effects of neonicotinoids on amphibians in these aquatic environments. In the present study, we examined the effects of 2 commercial formulations of neonicotinoids (active ingredients clothianidin and thiamethoxam) on survival and life-history traits of wood frogs (Lithobates sylvaticus) and northern leopard frogs (Lithobates pipiens). We used artificial pond mesocosms to assess the effects of these neonicotinoids, at nominal concentrations of 2.5 and 250 µg/L, on amphibian larval development through metamorphosis. We found no differences between controls and neonicotinoid exposure for any of the endpoints assessed for either wood frogs or leopard frogs. The present study suggests that concentrations meeting or exceeding observed levels of clothianidin and thiamethoxam in surface waters will not directly affect metamorphosis in 2 amphibians. Environ Toxicol Chem 2019;38:1967-1977. © 2019 SETAC.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Neonicotinoides / Insecticidas / Metamorfosis Biológica Límite: Animals Idioma: En Revista: Environ Toxicol Chem Año: 2019 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Neonicotinoides / Insecticidas / Metamorfosis Biológica Límite: Animals Idioma: En Revista: Environ Toxicol Chem Año: 2019 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Estados Unidos