Natural toxins like nicotine and caffeine help bees overcome parasites

February 19, 2015 6:44 AM

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A study published this week in the Royal Society journal Proceedings says that flower nectar contains certain chemicals that may help fight parasite infection in bumblebees.

Researchers at the University of Massachusetts and Dartmouth College in New England tested eight nectar compounds on North American bumblebees that had been infected in the lab with an intestinal parasite called Crithidia bombi, which is spread by bee feces and reduces their winter survival rates an...

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