Bee pathogens attack year-round


Issue Date: February 18, 2015

U.S. Department of Agriculture scientists in Maryland and their colleagues have found that two pathogens causing mysterious honeybee ailments are a problem not just in the spring, but they might pose a threat year-round. Ryan Schwarz and Jay Evans, entomologists with the Agricultural Research Service, have shown that two species of bacteria, Spiroplasma melliferum and S. apis, are more common than previously thought and infect honeybees in places as diverse as Brazil and Beltsville, Md.

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