This dataset contains a colony performance indicator monitored from Bumblebee colonies of similar mass after 43-48 days in the field. The weight in milligrams (mg) is given of each surviving bee recorded as it was removed from the outside of the nest as we progressed towards the nest core. Bumblebee colonies of similar mass were provided with sugar syrup (UT, n=12), containing chlorpyrifos (CP, 150 nanomolar nM, n=6) imidacloprid (IMD, 10 nM, n= 6) or both (IMD + CP, n=12). No pollen was provided and bees were free to forage in a wilderness/grassland area in the west of Scotland. The data were collected as part of a project within the UK Insect Pollinators Initiative (2010-2015).
Publication date: 2015-04-30
This dataset is part of the following
The data was generated as follows: Nests were anaesthetised using carbon dioxide until the bees became slow/immobilised. The nest was opened and each bee was removed and weighed on a top pan balance before being killed rapidly in ice-cold water containing detergent before full awakening.