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[EN] We describe a morphologically remarkable new species of the Epicauta cupraeola species group from the highlands of the State of Nayarit, Mexico. The external appearance of Epicauta cora sp. nov., is similar to that of Epicauta rufipennis and Epicauta diana, but it is distinct from both species based on male antennae structure, shape and pilosity of the head and pronotum, color of pronotal pilosity, and male fore-tarsal structure. The nine species integrating now the E. cupraeola species group have been revised. This study of 323 specimens, including diverse type material, confirms the synonymy of Cantharis rufescens with Epicauta basimacula first proposed by Pinto (1991), and reports new geographic records for Mexican taxa. The species of the E. cupraeola group are included in a key and illustrated photographically, including type specimens of five taxa. A phylogenetic re-analysis of the E. cupraeola species group results in the placement of the new species as sister to E. rufipennis, which together form a sister clade to the remaining species of the E. cupraeola group.[ES] Se describe una especie nueva, morfológicamente singular, del grupo de especies de Epicauta cupraeola de las zonas altas del Estado de Nayarit, México. La apariencia externa de Epicauta cora sp. nov., es similar a la de Epicauta rufipennis y Epicauta diana, pero difiere de ambas en la estructura de las antenas del macho, forma y pilosidad de la cabeza y pronoto, y estructura de las tibias anteriores del macho. Se revisan las nueve especies incluidas ahora en el grupo de especies de E. cupraeola. Este estudio que incluye 323 especímenes, entre ellos material tipo diverso, confirma la sinonimia de Cantharis rufescens con Epicauta basimacula propuesta por Pinto (1991), y aporta nuevos registros geográficos para las especies de México. Se presenta una clave para las especies del grupo de E. cupraeola y se ilustran fotográficamente, incluyendo ejemplares tipo de cinco taxones. Un nuevo análisis filogenético del grupo de E. cupraeola indica que la especie nueva se sitúa como grupo hermano de E. rufipennis, de forma que juntas constituyen el clado hermano de las demás especies del grupo.This work was supported by grant CGL2010-15786 from the Ministerio de Economia y Competitividad (Spain).Peer reviewe

graellsia

Description of a new species of &lt;i&gt;Epicauta&lt;/i&gt; Dejean, 1834 from Mexico with a review of the &lt;i&gt;Epicauta cupraeola&lt;/i&gt; species group (Coleoptera, Meloidae)