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Impacts of neonicotinoids to soil invertebrates
Group: Vrije Universiteit Amsterdam, Animal Ecology
Promotor: Nico M. van Straalen
Neonicotinoids are known to be highly toxic to bees, but in general, there is a gap on the scientific literature about their toxicity to soil invertebrates. In order to bridge this gap, this thesis aimed at answering three research questions: (i) Are neonicotinoids toxic to soil invertebrates?; (ii) Is there a difference in sensitivity among the species of soil invertebrates tested?; (iii) Is there a difference in toxicity between commercial formulations and pure compounds?
In total, eight species of soil invertebrates were exposed to imidacloprid and thiacloprid, with results indicating that species and populations in the field are already at risk of developing sub-lethal effects due to exposure to imidacloprid, which was the most toxic neonicotinoid tested.