Asian predatory wasp in Spain

November 5th, 2013 | by nick |

Beekeepers and fruit orchard growers in Spain are facing the serious threat of Asian predatory wasp (vespa velutina nigritorax), which has spread from France. The species was first detected in the Basque Country three years ago from where it has spread to Castilla y León, Cantabria, Asturias and Galicia . In 2013 it was found in La Garrotxa (Girona) in Catalonia having spread from a separate French population. Honeybees make up some 80’% of the wasps diet. Even more worryingly, the wasps also pose a considerable risk to biodiversity in Spain as  many plants are dependent on honeybees for pollination. As far as humans are concerned, people have been hospitalised in France after suffering anaphylactic shock as a result of multiple stings.

More here from El País

Hundreds of specimens of Vespa velutina, a species of hornet known popularly as “the Asian predatory wasp” or “the Asian hornet,” were found last month in the Vall d’en Bas, a valley in the Catalan municipality of La Garrotxa. The find has sent all kinds of alarms ringing among rural officials and local beekeepers, who know time is running out: if the nest is not found and destroyed by November, the females growing within will fly out and start their own colonies elsewhere in the region.

“Before the fall is out, the more than 200 wasp mothers now germinating inside the nest will seek new locations to create new hideouts and hibernate,” explains Josep Vilar, chief of the rural agents of La Garrotxa. Each female can produce over 12,000 offspring.

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