Invasive Hornet Yet Another Threat To French Honeybee Populations - BBC

France faces an invasion of Chinese hornets that could hasten the decline of the honeybee population. The wasps, known by their scientific name Vespa velutina, could also threaten bee-keepers' livelihoods, researchers say. They have spread rapidly in south-western France - a region popular with tourists - and could reach other European countries soon.

The 3cm-long insects are recognisable by their orange heads and yellow feet. Researchers think they probably arrived in France on a boat carrying ceramic goods from China in 2004. The most recent study recorded 1,100 nests across the country. The hornet is now firmly established near Bordeaux and has advanced as far north as parts of Brittany in north-western France.

"More and more of them are coming and they're colonising France," Quentin Rome, a researcher at the National History Museum in Paris, told Reuters news agency. "They multiply quite quickly, and they settle in a new department (administrative division) every year."

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Bee-keeper Francoise Romanzin said there had been a marked rise in attacks by Asian hornets on beehives in August. "The problem of the Asian hornets is not the worst problem for bee populations but it adds to the difficulties bee populations are already facing," Ms Romanzin said.

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http://news.bbc.co.uk/2/hi/science/nature/8209934.stm