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TOXICITY OF FIPRONIL ENANTIOMERS TO THE WATER FLEA AND BLACK FLY
KONWICK, B., A. W. GARRISON, A. FISK, M. BLACK, AND J. OVERMYER. TOXICITY OF FIPRONIL ENANTIOMERS TO THE WATER FLEA AND BLACK FLY. Presented at 230th American Chemical Society National Meeting, Washington, DC, August 28 - September 01, 2005.
In this research, we analyzed the enantiomer-specific toxicity of fipronil using two aquatic invertebrate species. Acute toxicity to Ceriodaphnia dubia (water flea) indicated that the (+) enantiomer was significantly more toxic than the (-) enantiomer, with about a 3-fold difference in LC50 values. For Simulium vittatum IS-7 (black fly), both fipronil enantiomers were equally toxic. However, the response to fipronil was markedly different between the two invertebrate classes with the black fly being nearly 2 orders of magnitude more sensitive than the water flea.
To determine the environmental occurrences, fate, and effects of the enantiomers of selected chiral pesticides and other chiral pollutants.
Record Details:Record Type: DOCUMENT (PRESENTATION/ABSTRACT)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL EXPOSURE RESEARCH LAB
ECOSYSTEMS RESEARCH DIVISION
PROCESSES & MODELING BRANCH