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Thiamethoxam, a neonicotinoid insecticide widely used in the Canadian Prairies, is a neonicotinoid insecticide commonly used in the Canadian Prairies. Outdoor mesocosms were treated with a single application of thiamethoxam-treated canola seeds at three different treatment levels based on a recommended seeding rate and monitored for more than ten weeks. Between control mesocosms and the two leading thiamethoxam therapies, there were statistically significant differences in aquatic insect abundance between control mesocosms and the two most popular thiamethoxam treatments. The observed results indicate that thiamethoxam exposure in environmental and community communities of wetland zooplankton and emergent insects at environmentally acceptable levels most likely do not pose a significant ecological threat to abundance and community structure.
Source link: https://doi.org/10.1007/s10646-021-02500-8
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