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  4. Genetic (RAPD) Diversity between <i>Oleria onega agarista</i> and <i>Oleria onega</i> ssp. (<i>Ithomiinae</i>, Nymphalidae, Lepidoptera) in North-Eastern Peru
 
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Genetic (RAPD) Diversity between <i>Oleria onega agarista</i> and <i>Oleria onega</i> ssp. (<i>Ithomiinae</i>, Nymphalidae, Lepidoptera) in North-Eastern Peru

Auteur(s)
Gallusser, S.
Editeur(s)
Guadagnuolo, Roberto
Rahier, Martine 
Institut de biologie 
Date de parution
2004
In
Genetica, Springer, 2004/121/1/65-74
Mots-clés
  • genetic variation

  • hybridisation

  • <i>Ithomiinae</i>

  • <i>Oleria</i>

Résumé
<i>Oleria onega agarista</i> Felder and Felder and <i>Oleria onega</i> ssp. nov. are two <i>Ithomiinae</i> subspecies from north-eastern Peru, that differ for some morphological and behavioural traits. Two contact zones are known near the town of Tarapoto: Ahuashiyacu, where both subspecies cohabit but do not seem to hybridise, and Estero (near the village of Shapaja), where they apparently hybridise. Genetic differences between the two subspecies and between populations were investigated with random amplified polymorphic DNA (RAPD) markers. Both Cluster and Principal Coordinates Analyses (CCoA and PCoA) performed using these data, provided a clear but weak discrimination between the two subspecies. Genetic diversity is much higher within the populations than between them. Moreover, the geographically more distant populations are grouped together by the genetic data. Morphological traits on the wing patterns of the hybrids are intermediary between the two butterflies subspecies, while RAPDs data place them closer to <i>O. onega agarista</i> than to <i>O. onega</i> ssp. The individuals of the Ahuashiyacu population are clearly separated into two groups, those of <i>O. onega</i> ssp. and <i>O. onega agarista</i>, by both morphology and RAPDs data. Moreover, none of those individuals show RAPD similarity with the hybrids, suggesting that hybridisation has not occurred in this population.
URI
https://libra.unine.ch/handle/123456789/15165
DOI
10.1023/B:GENE.0000019930.74692.bb
Autre version
http://dx.doi.org/10.1023/B:GENE.0000019930.74692.bb
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: Gallusser_S._-_Genetic_RAPD_diversity_between_Oleria_20090724.pdf (565.41 KB)
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