Imidacloprid is a neonicotinoid insecticide used to control agricultural pests around the
world. This pesticide can have adverse effects on non-target organisms, especially in …

Quantitative weight of evidence (QWoE) provides a framework and process for evaluating
different toxicological studies based on quality and relevance of the results. This framework …

Organophosphate insecticides such as chlorpyrifos are commonly detected in surface
waters around the world, where they are highly toxic to many organisms. The frog …

Amphibians have suffered population decline due to several factors, including exposure to
pesticides. In the south of Brazil, rice cultivations use herbicides based on atrazine …

Brazil is an important consumer of herbicides. In sugarcane cultivation—the country's most
extensive agricultural crop—atrazine-based formulations are the principal form of weed …

Atrazine and Glyphosate are herbicides massively used in agriculture for crop protection.
Upon application, they are available to the biota in different ecosystems. The aim of this …

In spite of the sensitivity of amphibians to contamination, data from fish have been commonly
used to predict the effects of chemicals on aquatic life stages. However, recent studies have …

Sub-chronic toxicity of environmentally relevant atrazine concentrations on exposed
tadpoles and adult male African clawed frogs (Xenopus laevis) was evaluated in a quality …

This study evaluated the lethal, sublethal, and toxic of a commercial formulation of
cypermethrin in the anuran species Physalaemus gracilis. In the acute test, concentrations of …

Insecticides used for agricultural pest control, as cypermethrin-based insecticide (CBI) and
fipronil-based insecticide (FBI), are constant threats to non-target aquatic organisms. This …