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Science. 2005 Nov 11;310(5750):992.

Multiple transatlantic introductions of the western corn rootworm.

Author information

1
Biologie des Populations en Interaction, Unité Mixte de Recherche (UMR) 1112 Institute National de la Recherche Agronomique (INRA)-Université de Nice-Sophia Antipolis, 400 Route des Chappes, 06903 Sophia Antipolis Cedex, France.

Abstract

The invasion of Europe by the western corn rootworm, North America's most destructive corn pest, is ongoing and represents a serious threat to European agriculture. Because this pest was initially introduced in Central Europe, it was believed that subsequent outbreaks in Western Europe originated from this area. Using model-based Bayesian analyses of the genetic variability of the western corn rootworm, we demonstrate that this belief is false: There have been at least three independent introductions from North America during the past two decades. This result raises questions about changing circumstances that have enabled a sudden burst of transatlantic introductions.

PMID:
16284172
DOI:
10.1126/science.1115871
[Indexed for MEDLINE]
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