Interactions Between Pesticides And Pathogens on Bee Health

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The use of pesticides, such as neonicotinoids, has been identified as one key driver of bee population decline worldwide. However, these systemic pesticides are widely used in several crops in the US because of their effectiveness for pest control. Management of agricultural land in order to promote the presence of bees that provide sufficient pollination services to crops requires knowing the effects of pest management choices on bee health. We are investigating how neonicotinoid use modifies bumble bee foraging behavior and possibly interacts with pathogen transmission between bees in pumpkin fields that have different pesticide management practices. We are combining greenhouse and field experiments to quantify pathogens present on pumpkin flowers that have been treated and untreated with neonicotinoid insecticides. Results from this study will help farmers make management decisions that can help support healthier pollinator populations while ensuring higher crop yields.

Questions about this project?

Please contact Ginamaría Román Echevarría

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