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New Mosquito Control Poses Risk to Coastal Shrimp

Researchers from the National Centers for Coastal Ocean Science have discovered that the insecticide etofenprox is toxic to estuarine grass shrimp.  Because this insecticide is touted as a being one of the safer products to use around people and pets, manufacturers and consumers are starting to turn to it for mosquito control.

Should use of this chemical become popular, there is a risk that its contamination of coastal waters will cause adverse effects in invertebrates.  Laboratory tests showed that exposure to etofenprox in concentrations similar to those likely to be found in the environment reduced shrimp survival and altered cellular stress enzyme activity.

These experiments may help the U.S. Environmental Protection Agency and resource managers assess the risk of using this pesticide around coastal areas.

These findings will be published in an upcoming issue of Archives of Environmental Contamination and Toxicology.

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