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) : 445-455.

https://doi.org/10.14411/eje.2012.057

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Quartile : Q2, Sujet : ENTOMOLOGY

Résumé : 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.

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 - Ravageurs des plantes
L60 - Taxonomie et géographie animales

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

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