Study Tracks Bumblebees to Document Neonicotinoid Impact

A study led by Harvard University’s James Crall tagged bumblebees with uniquely patterned designs that could be tracked by high-resolution cameras to monitor neonicotinoid impacts. The study showed that nine colonies of bees that were given sugar syrup laced with imidacloprid had a lower activity level and spent less time caring for the brood than control colonies. They also had more difficulty regulating colony temperature. The research was reported in the journal Science, and it establishes a new precedent for tracking the effect of pesticides on insects.

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