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Beekeepers see 42% of US honeybee colonies die off in a single year

 

“What we’re seeing with this bee problem is just a loud signal that there’s some bad things happening with our agro-ecosystems,” said study co-author Keith Delaplane at the University of Georgia. “We just happen to notice it with the honeybee because they are so easy to count.”

But it’s not quite as dire as it sounds. That’s because after a colony dies, beekeepers split their surviving colonies, start new ones, and the numbers go back up again, said Delaplane and study co-author Dennis vanEngelsdorp of the University of Maryland. But that pushes the bees to their limits, he said.

What shocked the entomologists is that this is the first time they have noticed bees dying more in the summer than the winter, vanEngelsdorp said. The survey found beekeepers lost 27.4% of their colonies this summer. That’s up from 19.8% the previous summer.

Seeing massive colony losses in summer is like seeing “a higher rate of flu deaths in the summer than winter,” vanEngelsdorp said. “You just don’t expect colonies to die at this rate in the summer.”

Oklahoma, Illinois, Iowa, Delaware, Maryland, Pennsylvania, Maine and Wisconsin all saw more than 60% of their hives die since April 2014, according to the survey.

“Most of the major commercial beekeepers get a dark panicked look in their eyes when they discuss these losses and what it means to their businesses,” said Pennsylvania State University entomology professor Diana Cox-Foster. She wasn’t part of the study, but praised it.

Delaplane and vanEngelsdorp said a combination of mites, poor nutrition and pesticides are to blame for the bee deaths.

Dick Rogers, chief beekeeper for pesticide maker Bayer, said the loss figure is “not unusual at all” and said the survey shows an end result of more colonies: 2.74 million hives in 2015, up from 2.64 million in 2014.

That does not mean bee health is improving or stable, vanEngelsdorp said.

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The purpose of this website is to promote honey beekeeping by providing a forum in which current honey beekeepers may become more knowledgeable of best practices and the public can become more, and accurately, informed on the benefits of honey bees. For more info or comments, contact Jeff Crooks at jlcrooks@live.com