Population structures of three Calliptamus spp. (Orthoptera: Acrididae) across the Western Mediterranean Basin

Blanchet Elodie, Lecoq Michel, Sword Gregory A., Pagès Christine, Blondin Laurence, Billot Claire, Rivallan Ronan, Foucart Antoine, Vassal Jean-Michel, Risterucci Ange-Marie, Chapuis Marie Pierre. 2012. Population structures of three Calliptamus spp. (Orthoptera: Acrididae) across the Western Mediterranean Basin. European Journal of Entomology, 109 (3) : pp. 445-455.

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Quartile : Q2, Sujet : ENTOMOLOGY

Abstract : We conducted a comparative population genetic analysis of levels of genetic variation and its geographical structuring in three closely related species of grasshopper that co-occur in the Mediterranean Basin: Calliptamus italicus, C. barbarus and C. wattenwylianus. In the western part of their distributions 5 populations of C. italicus, 13 of C. barbarus and 10 of C. wattenwylianus were sampled. Bootstrap re-sampling of populations and microsatellite loci within each species indicated a lower level of genetic diversity and higher level of genetic differentiation in C. barbarus, which is less of an outbreak pest species than either of the other Calliptamus species studied. This may be due to lower effective sizes of non-outbreak populations and/or lower gene flow among them. (Résumé d'auteur)

Mots-clés Agrovoc : Calliptamus, Dynamique des populations, Génétique des populations, Microsatellite, Ravageur des plantes, Identification, Taxonomie, Espèce, Distribution géographique

Mots-clés géographiques Agrovoc : Région méditerranéenne, France, Espagne, Italie, Maroc, Algérie, Ouzbékistan

Mots-clés complémentaires : Calliptamus barbarus, Calliptamus italicus, Calliptamus wattenwylianus

Classification Agris : H10 - Pests of plants
L60 - Animal taxonomy and geography

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Blanchet Elodie
  • Lecoq Michel
  • Sword Gregory A., Texas A & M University (USA)
  • Pagès Christine, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Blondin Laurence, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Billot Claire, CIRAD-BIOS-UMR AGAP (FRA)
  • Rivallan Ronan, CIRAD-BIOS-UMR AGAP (FRA)
  • Foucart Antoine, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Vassal Jean-Michel, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Risterucci Ange-Marie, CIRAD-BIOS-UMR AGAP (FRA)
  • Chapuis Marie Pierre, CIRAD-BIOS-UPR Bioagresseurs (FRA)

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