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Study: 9.2% of Europe's Wild Bee Species Face Extinction

A bee gathers nectar of lavender from a field in Sederon, near Carpentras, southern France, Aug. 27, 2014.
A bee gathers nectar of lavender from a field in Sederon, near Carpentras, southern France, Aug. 27, 2014.

Almost one in 10 of Europe's wild bee species is at risk of extinction because of threats from the spread of farms and pesticides among other factors, a first assessment of the continent's bee populations showed Thursday.

Bees are vital to food production but are in decline in many parts of the world. There are 1,965 wild bee species in Europe, and 9.2 percent of them are at risk of extinction while another 5.2 percent are likely to be threatened in the near future, according to the international study, funded by the European Commission.

The International Union for Conservation of Nature (IUCN) said its study also showed that 57 percent of all European bee species, which include types of bumblebees, honey bees and solitary bees, were so little known that it was impossible to judge whether they were at risk or not.

"We're laying down a benchmark'' to help judge trends, lead author Ana Nieto told Reuters. "We were shocked that there is not enough information for so many species.''

The bees' work in pollinating crops is worth an estimated 22 billion euros ($23.4 billion) a year in Europe, and 153 billion euros worldwide, according to the study.

Cullum's bumblebee, found in Europe and Asia, was among those most at risk and was rated "critically endangered'' because of the loss of its favorite clover flowers to farming.

The report said that threats to bees included more intensive farming, insecticides and climate change — causing more heavy rainfalls, droughts and heat waves that can harm bees and their access to food.

The IUCN's members include governments, scientists and conservationists.

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