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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Predicting the invasion risk by the alien bee-hawking Yellow-legged hornet Vespa velutina nigrithorax across Europe and other continents with niche models
Auteurs :	Claire Villemant, Auteur ; Morgane Barbet-Massin, Auteur ; Adrien Perrard, Auteur ; Franck Muller, Auteur ; Olivier Gargominy, Auteur ; Frédéric Jiguet, Auteur ; Quentin Rome, Auteur
Type de document :	Article
Dans :	Biological Conservation (144(9) SEP 2011)
Article en page(s) :	2142-2150
Langues:	Anglais
Résumé :	Vespa velutina nigrithorax, an Asian bee-hawking hornet, has been unintentionally introduced in southwestern France before 2004 and is currently widely spreading across the country. Its arrival in northern Spain was reported in 2010. The potential invasion risk of the species is assessed using climatic suitability models. We used eight different modelling techniques within an ensemble forecast framework to show that the invasion success in south-western France could have been predicted using data from the native Asian range of the species, while we further used data from both the native and invaded ranges (including a recently established population in Korea) to better predict its potential invasion range across all continents. Results are discussed in terms of the interest of ecological niche modelling for invasion biology, realised niche of the invasive wasp, potential threats to native entomofauna and economic impacts of this new predator. A particular attention is paid to beekeeping activities that are nowadays already threatened by a wide panel of adversary factors. (C) 2011 Elsevier Ltd. All rights reserved.

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