期刊
SCIENTIFIC REPORTS
卷 5, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/srep16508
关键词
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资金
- UK Insect Pollinators Initiative [BB/I000178/1]
- Living with Environmental Change programme
- Biotechnology and Biological Sciences Research Council (BBSRC)
- Wellcome Trust
- Scottish Government
- Department for Environment, Food and Rural Affairs (DEFRA)
- Natural Environment Research Council (NERC)
- Crosslands Research Scholarship
- W. Garfield Weston Foundation
- BBSRC [BB/I000178/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/I000178/1] Funding Source: researchfish
Bumblebees are exposed to pesticides applied for crop protection while foraging on treated plants, with increasing evidence suggesting that this sublethal exposure has implications for pollinator declines. The challenges of navigating and learning to manipulate many different flowers underline the critical role learning plays for the foraging success and survival of bees. We assessed the impacts of both acute and chronic exposure to field-realistic levels of a widely applied neonicotinoid insecticide, thiamethoxam, on bumblebee odour learning and memory. Although bees exposed to acute doses showed conditioned responses less frequently than controls, we found no difference in the number of individuals able to learn at field-realistic exposure levels. However, following chronic pesticide exposure, bees exposed to field-realistic levels learnt more slowly and their short-term memory was significantly impaired following exposure to 2.4 ppb pesticide. These results indicate that field-realistic pesticide exposure can have appreciable impacts on learning and memory, with potential implications for essential individual behaviour and colony fitness.
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