Cryptic speciation in Triatoma sordida (Hemiptera : Reduviidae) from the Bolivian Chaco - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Tropical Medicine and International Health Année : 1998

Cryptic speciation in Triatoma sordida (Hemiptera : Reduviidae) from the Bolivian Chaco

François Noireau
  • Fonction : Auteur
T. Gutierrez
  • Fonction : Auteur
M. Zegarra
  • Fonction : Auteur
R. Flores
  • Fonction : Auteur
L. Cardozo
  • Fonction : Auteur
Jean-Pierre Dujardin
  • Fonction : Auteur

Résumé

Eight natural Bolivian populations of two closely related species of #Triatominae$, #Triatoma sordida$ and #T. guasayana$, were analysed by multilocus enzyme electrophoresis at 20 loci. Both species were readily separated and no natural hybrid was observed. Among the silvatic sample of #T. sordida$, strong departure from panmixia within and between loci was detected in two sites of the Chaco, suggesting two reproductively separate populations easily recognized at Idh2 and Mdh2 loci. Genetic distance between them was in agreement with the hypothesis of distinct species. However, the detection of 3% of putative hybrids suggested a recent evolutionary divergence. (Résumé d'auteur)
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Dates et versions

hal-01257110 , version 1 (15-01-2016)

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Citer

François Noireau, T. Gutierrez, M. Zegarra, R. Flores, Simone Brenière, et al.. Cryptic speciation in Triatoma sordida (Hemiptera : Reduviidae) from the Bolivian Chaco. Tropical Medicine and International Health, 1998, 3 (5), pp.364-372. ⟨10.1046/j.1365-3156.1998.00219.x⟩. ⟨hal-01257110⟩
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