The sizes of the strawberries are now known to be impacted by bee exposure to a class of pesticides known as neonicotinoid insecticides. Bees that had consumed the pesticide clothianidin while foraging rapeseed flowers produced strawberries that were pollinated. Twelve outdoor cages with foraging access to strawberry and rapeseed flowers were used for the study. The rapeseed flowers in six of the cages were given a clothianidin treatment, while the rapeseed flowers in the other six cages were left untreated. When the strawberries were weighed, the researchers found that the strawberries were smaller if they had been pollinated by bees that had been exposed to the clothianidin-treated rapeseed flowers.
It is now known that bee exposure to a group of pesticides known as neonicotinoid insecticides affects the sizes of the strawberries. Strawberries were pollinated by bees that had consumed the insecticide clothianidin while foraging on rapeseed flowers. For the study, twelve outdoor cages with foraging access to rapeseed and strawberry flowers were used. While the rapeseed flowers in the remaining six cages remained untreated, six of the cages received a clothianidin treatment. When the strawberries were weighed, the researchers discovered that if they had been pollinated by bees that had been exposed to the clothianidin-treated rapeseed flowers, the strawberries would have been smaller.
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