Insecticides protect crops against pests, but pose a risk for insects. Exposure to a common neonicotinoid, even at sublethal levels, reduced successful mating in bumble bees. It also negatively impacted sperm in males and lipid storage in females. Pollinators such as bees are facing global declines.

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3. Insecticides protect crops against pests, but pose a risk for insects. Exposure to a common neonicotinoid, even at sublethal levels, reduced successful mating in bumble bees. It also negatively impacted sperm in males and lipid storage in females. Pollinators such as bees are facing global declines.