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Complex population patterns of Eunica tatila Herrich-Schäffer (Lepidoptera: Nymphalidae), with special emphasis on sexual dimorphism

Cavanzón Medrano, Laura Elena [autora] | Pozo, Carmen [autora] | Hénaut, Yann [autor] | Legal, Luc [autor] | Salas Suárez, Noemí [autora] | Machkour M'Rabet, Salima [autora].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Eunica tatila | Eunica tatila bellaria | Eunica tatila tatilista | Eunica tatila tatilista | Lepidópteros | Dimorfismo sexual en animales | ZoogeografíaDescriptor(es) geográficos: Yucatán (Península) (México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de accesoDisponible para usuarios de ECOSUR con su clave de acceso En: Neotropical Entomology. volumen 45, número 2 (April 2016), páginas 148-158. --ISSN: 1678-8052Número de sistema: 24533Resumen:
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The species Eunica tatila (Herrich-Schäffer) is present in the Neotropical region and comprises three subspecies. In Mexico, only one subspecies is reported: E. t. tatila (Herrich-Schäffer). The Yucatan Peninsula, in southeastern Mexico, is located in a transitional geographical position, between southern Florida, the West Indies and Central America. It is part of a transitional region, important for the dispersion of insects from southern Florida via Cuba and the Yucatan Peninsula. Considering the possibility of the overlapping and delimitation of described subspecies, we sampled different populations in the Yucatan Peninsula to possibly assign a subspecies name and evaluate the magnitude of sexual dimorphism. We collected 591 individuals (♀284, ♂307) in conserved areas. The study of male genitalia led to the identification of Eunica tatila tatilista (Kaye) as a subspecies; however, hypandrium structure and wing pattern analysis suggest a mix of E. t. tatila and E. t. tatilista characteristics. The analysis of sexual dimorphism provided evidence of more complex wing morphs for females, with 12 patterns instead of four as previously described. Our results demonstrate the complexity of characterizing E. tatila and suggest that the Yucatan Peninsula is a transitional zone for subspecies of some butterflies.

Recurso en línea: http://link.springer.com/article/10.1007%2Fs13744-015-0351-0
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Disponible para usuarios de ECOSUR con su clave de acceso

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The species Eunica tatila (Herrich-Schäffer) is present in the Neotropical region and comprises three subspecies. In Mexico, only one subspecies is reported: E. t. tatila (Herrich-Schäffer). The Yucatan Peninsula, in southeastern Mexico, is located in a transitional geographical position, between southern Florida, the West Indies and Central America. It is part of a transitional region, important for the dispersion of insects from southern Florida via Cuba and the Yucatan Peninsula. Considering the possibility of the overlapping and delimitation of described subspecies, we sampled different populations in the Yucatan Peninsula to possibly assign a subspecies name and evaluate the magnitude of sexual dimorphism. We collected 591 individuals (♀284, ♂307) in conserved areas. The study of male genitalia led to the identification of Eunica tatila tatilista (Kaye) as a subspecies; however, hypandrium structure and wing pattern analysis suggest a mix of E. t. tatila and E. t. tatilista characteristics. The analysis of sexual dimorphism provided evidence of more complex wing morphs for females, with 12 patterns instead of four as previously described. Our results demonstrate the complexity of characterizing E. tatila and suggest that the Yucatan Peninsula is a transitional zone for subspecies of some butterflies. spa

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