Beekeepers across the United States lost 44 percent of their honey bee colonies during the year spanning April 2015 to April 2016, according to the latest preliminary results of an annual nationwide survey. Rates of both ...
Ecology
May 10, 2016
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196
Honey bee colonies in the United States are in decline, due in part to the ill effects of voracious mites, fungal gut parasites and a wide variety of debilitating viruses. Researchers from the University of Maryland and the ...
Ecology
Apr 26, 2016
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773
Last winter saw the lowest winter mortality of bee colonies for many years. While the loss rate was still around 20% in 2011, it fell below 10% over the last two years and this year was just 6.5%. Winter mortality in the ...
Ecology
Apr 25, 2016
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5
While pesticides and pathogens pose clear threats to honey bee health, the need of bee colonies for balanced nutrition is gaining increasing appreciation. As colonies are kept in agricultural areas for crop pollination, they ...
Plants & Animals
Apr 13, 2016
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159
A lack of adequate nutrition is blamed as one of many possible causes for colony collapse disorder or CCD—a mysterious syndrome that causes a honey bee colony to die. Parasites, pesticides, pathogens and environmental changes ...
Plants & Animals
Mar 30, 2016
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428
Over the past decade, beekeepers in the U.S. and other countries have had problems keeping their bees healthy. Some of the potential causes of their problems include the Varroa destructor mite, pesticides, pathogens, and ...
Plants & Animals
Feb 23, 2016
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14
The spread of a disease that is decimating global bee populations is manmade, and driven by European honeybee populations, new research has concluded.
Plants & Animals
Feb 4, 2016
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119
Over the past two decades, bee declines worldwide have drawn international attention. Managed honey bee (Apis mellifera) colonies decreased by 25% over 20 years in Europe and 59% over 58 years in North America, and many bumble ...
Plants & Animals
Jan 12, 2016
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220
Investigators have found no effect of an insecticide called thiamethoxam on bumble bees that forage on flowering winter oilseed rape. Using realistic field conditions, the researchers treated seeds of oilseed rape with the ...
Ecology
Dec 22, 2015
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3
Parasitic mites Varroa destructor together with the pesticide imidacloprid hamper bees in their search for pollen. The pesticide and the bee parasite reduce the honeybees' flight capacity, causing bee colonies to weaken and ...
Plants & Animals
Dec 18, 2015
1
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