Honeybees can suffer from “severe” learning difficulties and memory problems after ingesting tiny quantities of a type of pesticide, new research indicates. Bees studied at the University of Otago, in Dunedin, New Zealand, were affected by levels of the pesticide chlorpyrifos that are classified as “safe".
Researchers believe the effects have the potential to threaten the success and survival of the species. The study tested honeybees in outdoor hives and laboratory conditions.

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