A newly developed video technique has allowed scientists at Goethe University Frankfurt at the Bee Research Institute of the Polytechnical Society to record the complete development of a honey bee in its hive. Researchers discovered that certain pesticides — neonicotinoids — changed the behaviour of the nurse bees: they fed the larvae less often. Larval development took up to 10 hours longer. A longer development period in the hive can foster infestation by parasites.
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