A novel pesticide has lethal consequences for an important pollinator.

Autor: Siviter H; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA; School of Biological Sciences, University of Bristol, 24, Tyndall Avenue, Bristol BS8 1TQ, UK. Electronic address: Harry.Siviter@Bristol.ac.uk., DeVore J; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA., Gray LK; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA., Ivers NA; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA; Department of Entomology, Pennsylvania State University, 547 ASI Bldg., University Park, PA 16802, USA., Lopez EA; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA., Riddington IM; Department of Chemistry, The University of Texas at Austin, 105 E 24(th) St., Austin, TX 78712-1224, USA., Stuligross C; Department of Entomology and Nematology, University of California, Davis, 1 Shields Ave., Davis, CA 95616, USA; Department of Entomology, University of California, Riverside, 900 University Ave., Riverside, CA 92521, USA., Jha S; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA; Lady Bird Johnson Wildflower Center, Austin, TX 78739, USA., Muth F; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA; Department of Neurobiology, Physiology, and Behavior, 196 Briggs Hall, University of California, Davis, CA 95616, USA.
Jazyk: angličtina
Zdroj: The Science of the total environment [Sci Total Environ] 2024 Nov 20; Vol. 952, pp. 175935. Date of Electronic Publication: 2024 Aug 30.
DOI: 10.1016/j.scitotenv.2024.175935
Abstrakt: Wild bees pollinate crops and wildflowers where they are frequently exposed to pesticides. Neonicotinoids are the most commonly used insecticide globally, but restrictions on their use and rising pest resistance have increased the demand for alternative pesticides. Flupyradifurone is a novel insecticide that has been licenced globally for use on bee-visited crops. Here, in a semi-field experiment, we exposed solitary bees (Osmia lignaria) to a commercial pesticide formulation (Sivanto Prime) containing flupyradifurone at label-recommended rates. We originally designed the experiment to examine sublethal effects, but contrary to our expectations, 100 % of bees released into pesticide-treated cages died within 3 days of exposure, compared to 0 % in control plots. Bees exposed to flupyradifurone a few days after the initial application survived but endured prolonged sublethal effects, including lower nesting success, impairment to foraging efficiency, and higher mortality. These results demonstrate that exposure to this novel insecticide poses significant threats to solitary bees and add to a growing body of evidence indicating that this pesticide can have negative impacts on wild bees at field-realistic concentrations. In the short-term, we recommend that commercial formulations containing flupyradifurone should be restricted to non-flowering crops while a reassessment of its safety can be conducted. In the long-term, environmental risk assessors should continue to develop risk assessments that are truly holistic and incorporate the ecological and life history traits of multiple pollinator species.
Competing Interests: Declaration of competing interest The authors declare they have no competing interests.
(Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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