Higher level phylogeny for the passion-vine butterflies (Nymphalidae, Heliconiinae) based on early stage and adult morphology

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Abstract
A higher level phylogeny for the passion-vine butterflies (Nymphalidae, Heliconiinae) was generated by cladistic analysis of 146 morphological characters from all life stages. The 24 species studied were selected representatives of the ten currently accepted genera of the sub-tribe Heliconiiti. Analyses of only characters from larvae and pupae did not produce well resolved trees. However, some characters of the immature stages provided critical support for the monophyly of two clades. Analysis of only adult characters yielded a tree that closely resembled that obtained from all data combined. The phylogeny here derived from the combined analysis of early stage and adult characters differed in topology from all previously proposed hypotheses, and supported the monophyly of all currently recognized genera. Characters supporting each clade are described and illustrated, and various hypotheses of phylogenetic relatedness of passion-vine butterfly taxa are discussed.

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