Immature stages and natural history of the Andean butterfly Altinote ozomene (Nymphalidae: Heliconiinae: Acraeini)

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Abstract

The immature stages (eggs, larvae and pupae), oviposition and larval behavior of Altinote ozomene (Godart, 1819) are described here for the first time. Larvae were reared from egg clutches collected from the host plants Erato vulcanica (Klatt) H.Rob and Munnozia senecionidis Benth (Asteraceae). Eggs were laid in groups on the undersides of leaves. The number of instars varied from five to eight within the same egg clutch, and the corresponding development time from larva to adult varied from 91 to 115 days. Most (72%) larvae pupated during the sixth instar. The first four instars fed only on the leaf cuticle, whereas later instars consumed the whole leaf. Larvae were gregarious during all instars but rested together only during the day in later instars, either hidden inside dry leaves, on the stem at the base of the host plants, or in the leaf litter. Larvae showed similar morphology and behavior to those previously described for species of Actinote Hübner, 1819 from southeastern Brazil and the Andes.

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Phylogeny of the Nymphalidae (Lepidoptera).

André Victor Lucci Freitas, Keith S. Brown, Ted Schultz (2004)

A generic-level phylogeny for the butterfly family Nymphalidae was produced by cladistic analysis of 234 characters from all life stages. The 95 species in the matrix (selected from the 213 studied) represent all important recognized lineages within this family. The analysis showed the taxa grouping into six main lineages. The basal branch is the Libytheinae, with the Danainae and Ithomiinae on the next branch. The remaining lineages are grouped into two main branches: the Heliconiinae-Nymphalinae, primarily flower-visitors (but including the fruit-attracted Coeini); and the Limenitidinae (sensu strictu), Biblidinae, and the satyroid lineage (Apaturinae, Charaxinae, Biinae, Calinaginae, Morphinae, Brassolinae, and Satyrinae), primarily fruit-attracted. Data partitions showed that the two data sets (immatures and adults) are very different, and a partitioned Bremer support analysis showed that the adult characters are the main source of conflict in the nodes of the combined analysis tree. This phylogeny includes the widest taxon coverage of any morphological study on Nymphalid butterflies to date, and supports the monophyly and relationships of most presently recognized subgroups, providing strong evidence for the presently accepted phylogenetic scheme.

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Phylogenetic relationships of butterflies of the tribe Acraeini (Lepidoptera, Nymphalidae, Heliconiinae) and the evolution of host plant use.

Karina Lucas Silva-Brandão, Niklas Wahlberg, Ronaldo Bastos Francini … (2008)

The tribe Acraeini (Nymphalidae, Heliconiinae) is believed to comprise between one and seven genera, with the greatest diversity in Africa. The genera Abananote, Altinote, and Actinote (s. str.) are distributed in the Neotropics, while the genera Acraea, Bematistes, Miyana, and Pardopsis have a Palaeotropical distribution. The monotypic Pardopsis use herbaceous plants of the family Violaceae, Acraea and Bematistes feed selectively on plants with cyanoglycosides belonging to many plant families, but preferentially to Passifloraceae, and all Neotropical species with a known life cycle feed on Asteraceae only. Here, a molecular phylogeny is proposed for the butterflies of the tribe Acraeini based on sequences of COI, EF-1alpha and wgl. Both Maximum Parsimony and Bayesian analyses showed that the tribe is monophyletic, once the genus Pardopsis is excluded, since it appears to be related to Argynnini. The existing genus Acraea is a paraphyletic group with regard to the South American genera, and the species of Acraea belonging to the group of "Old World Actinote" is the sister group of the Neotropical genera. The monophyly of South American clade is strongly supported, suggesting a single colonization event of South America. The New World Actinote (s. str.) is monophyletic, and sister to Abananote+Altinote (polyphyletic). Based on the present results it was possible to propose a scenario for the evolution in host plant use within Acraeini, mainly concerning the use of Asteraceae by the South American genera.