Here we aim to quantify the impact on honeybees of two commercial neonicotinoid-based seed treatments in commercially grown crops of oilseed rape (‘Clothianidin’ Bayer CropScience and ‘Thiamethoxam’ Syngenta) via a pan-European, field experiment (during the 2014-2015 cropping season). The results will provide policy makers and regulators with independent, high-quality scientific evidence on the effects of neonicotinoids on honeybees and help to inform their decisions.
CEH researchers designed and oversaw the delivery of this trial, with all aspects of the project scrutinised by an independent Scientific Advisory Committee, chaired by Prof. Bill Sutherland of Cambridge University. This work aligns with NERC and CEH’s scientific aim of monitoring the impacts of human actions on the environment.
CEH researchers are also utilising the field trial infrastructure to assess the impacts of neonicotinoid seed treatments on wild pollinators.
Lead scientist, Professor Richard Pywell, explains more about the project in a series of video clips:
What was measured