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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Disentangling dispersal, vicariance and adaptive radiation patterns: A case study using armyworms in the pest genus Spodoptera (Lepidoptera: Noctuidae)
Molecular Phylogenetics and Evolution, Volume 65, No. 3, Year 2012
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Description
Thanks to the recent development of integrative approaches that combine dated phylogenies with models of biogeographic evolution, it is becoming more feasible to assess the roles of dispersal and vicariance in creating complex patterns of geographical distribution. However, the historical biogeography of taxa with good dispersal abilities, like birds or flying insects, still remains largely unknown because of the lack of complete phylogenies accompanied by robust estimates of divergence times. In this study, we investigate the evolution and historical biogeography of the globally distributed pest genus Spodoptera (Lepidoptera: Noctuidae) using complete taxon sampling and an extensive set of analyses. Through the analysis of a combined morphological and molecular dataset, we provide the first robust phylogenetic framework for this widespread and economically important group of moths. Historical biogeography approaches indicate that dispersal events have been the driving force in the biogeographic history of the group. One of the most interesting findings of this study is the probable occurrence of two symmetric long-distance dispersal events between the Afrotropical and the Neotropical region, which appear to have occurred in the late Miocene. Even more remarkably, our dated phylogenies reveal that the diversification of the clade that includes specialist grass feeders has followed closely the expansion of grasslands in the Miocene, similar to the adaptive radiation of specialist grazing mammals during the same period. © 2012 Elsevier Inc.
Authors & Co-Authors
Kergoat, Gaël Joseph
France, Montpellier
L'institut Agro Montpellier
Prowell, Dorothy P.
United States, Baton Rouge
Louisiana State University
Le Rû, Bruno Pierre
Kenya, Nairobi
International Centre of Insect Physiology and Ecology Nairobi
Mitchell, Andrew
Australia, Sydney
Australian Museum
Dumas, Pascaline
France, Montpellier
L'institut Agro Montpellier
France, Montpellier
Diversité, Génomes et Interactions Microorganismes-insectes
Clamens, Anne Laure
France, Montpellier
L'institut Agro Montpellier
Condamine, Fabien L.
France, Palaiseau
Centre de Mathématiques Appliquées
Silvain, Jean François
France, Paris
Cnrs Centre National de la Recherche Scientifique
France, Gif-sur-yvette
Université Paris-saclay
Statistics
Citations: 90
Authors: 8
Affiliations: 8
Identifiers
Doi:
10.1016/j.ympev.2012.08.006
ISSN:
10557903
e-ISSN:
10959513
Research Areas
Cancer
Study Design
Case Study
Study Approach
Qualitative