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Morphometric and Molecular Delineation of Melanaphis sacchari and Melanaphis sorghi

Nibouche Samuel, Medina Raul F., Holt Jocelyn R., Sadeyen Joëlle, Zoogones Anne-Sophie, Moretti Sandro, Costet Laurent. 2018. Morphometric and Molecular Delineation of Melanaphis sacchari and Melanaphis sorghi. . Vancouver : Entomological Society of America, Résumé, 1 p. ESA, ESC, and ESBC Joint Annual Meeting: "Crossing borders: entomology in a changing world", Vancouver, Canada, 11 November 2018/14 November 2018.

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Abstract : The Sugarcane Aphid, Melanaphis sacchari, is a major worldwide crop pest causing direct feeding damage on sorghum and transmitting viruses to sugarcane. In the US, Mexico and Caribbean, an invasive genotype of Sugarcane Aphid has become a major pest of sorghum since 2013. The taxonomic status of M. sacchari varies among authors. Some consider that the species M. sorghi is a synonym of M. sacchari, while others consider them as distinct species according to morphological differentiations. In this study, based on the comparison of samples collected from the whole distribution area, we use both morphometric and molecular data to confirm that M. sacchari and M. sorghi are distinct species. The invasive genotype recently introduced in the Americas is found to be M. sorghi.

Mots-clés libres : Taxonomy, Morphometry, Microsatellite, Barcoding, Aphid

Auteurs et affiliations

  • Nibouche Samuel, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0003-2675-1382
  • Medina Raul F., Texas A & M University (USA)
  • Holt Jocelyn R., Texas A & M University (USA)
  • Sadeyen Joëlle, Université de la Réunion (REU)
  • Zoogones Anne-Sophie, Université de la Réunion (REU)
  • Moretti Sandro, CIRAD-BIOS-UMR PVBMT (MTQ)
  • Costet Laurent, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0003-3199-2885

Source : Cirad-Agritrop (https://agritrop.cirad.fr/589617/)

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