E. Rivault's research while affiliated with Etablissement Français du Sang Alsace and other places
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Publications (2)
Seed coating treatments of sunflower by the systemic insecticide imidacloprid was suspected of affecting honey bees and bumblebees. The hypothesis raised was whether imidacloprid could migrate into nectar and pollen, then modify flower attractiveness, homing behavior, and colony development. Our greenhouse and field experiments with Bombus terrestr...
Citations
... Although the focus of this study was on thiamethoxam, we also analyzed field samples for the residues of a wide range of other pesticides to gain a more complete picture of the potential exposure of bees found in sunflower crops to pesticides applied to other crops in the relatively diverse agricultural landscapes of California. While previous studies have examined the effects of imidacloprid treatment of sunflower seeds on bee pollinators [30][31][32], to our knowledge, no studies have analyzed whether thiamethoxam seed treatments in sunflower remain detectable in field soils where bees may nest [29], whether they are translocated to the pollen and nectar from which bees forage (see [33] for similar work in a greenhouse), and whether treatment affects bee abundance and biodiversity in the field. The results from our study have the potential both to inform pest management practices with regard to their effects on wild bee conservation and to inform farmers and seed companies of the potential of thiamethoxam-treated sunflower seed to impact seed yield. ...
