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Taxonomy, Phylogeny and Distribution of the Genus Steromapedaliodes

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Taxonomy, Phylogeny and Distribution of the Genus Steromapedaliodes Taxonomy, phylogeny and distribution of the genus Steromapedaliodes sensu novo in the Cordillera de Mérida, Venezuela (Lepidoptera: Nymphalidae: Satyrinae: Satyrini) Tomasz W. Pyrcz, Jadwiga Lorenc-Brudecka, Anna Zubek, Pierre Boyer, Carolaing M. Gabaldón, Jesus Mavarez To cite this version: Tomasz W. Pyrcz, Jadwiga Lorenc-Brudecka, Anna Zubek, Pierre Boyer, Carolaing M. Gabaldón, et al.. Taxonomy, phylogeny and distribution of the genus Steromapedaliodes sensu novo in the Cordillera de Mérida, Venezuela (Lepidoptera: Nymphalidae: Satyrinae: Satyrini). Arthropod Systematics and Phylogeny, Senckenberg Gesellschaft für Naturforschung, 2017, 75 (2), pp.195-243. hal-02464205 HAL Id: hal-02464205 https://hal.archives-ouvertes.fr/hal-02464205 Submitted on 28 Nov 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/319663559 Taxonomy, phylogeny and distribution of the genus Steromapedaliodes sensu novo in the Cordillera de Mérida, Venezuela (Lepidoptera: Nymphalidae: Satyrinae: Satyrini) Article in Arthropod Systematics and Phylogeny · August 2017 CITATIONS READS 4 403 6 authors, including: Tomasz W. Pyrcz Jadwiga Lorenc-Brudecka Jagiellonian University Jagiellonian University 118 PUBLICATIONS 955 CITATIONS 26 PUBLICATIONS 29 CITATIONS SEE PROFILE SEE PROFILE Anna Zubek Carolaing Gabaldon Jagiellonian University Universidad de Valparaíso (Chile) 14 PUBLICATIONS 48 CITATIONS 8 PUBLICATIONS 21 CITATIONS SEE PROFILE SEE PROFILE Some of the authors of this publication are also working on these related projects: Hybrid speciation in alpine Coenonympha butteflies View project Survey of the butterflies (Papilionoidea) and some moths of Argentina. View project All content following this page was uploaded by Jadwiga Lorenc-Brudecka on 18 September 2017. The user has requested enhancement of the downloaded file. 75 (2): 195 – 243 8.9.2017 © Senckenberg Gesellschaft für Naturforschung, 2017. Taxonomy, phylogeny and distribution of the genus Steromapedaliodes sensu novo in the Cordillera de Mérida, Venezuela (Lepidoptera: Nymphalidae: Satyrinae: Satyrini) Tomasz W. Pyrcz *, 1, 5, Jadwiga Lorenc-Brudecka 5, Anna Zubek 1, Pierre Boyer 2, M. Carolaing Gabaldon 3 & Jesus Mavarez *, 4 1 Entomology Department, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30 – 387 Kraków, Poland; Tomasz W. Pyrcz * [[email protected]] — 2 7 Lotissement l’Horizon, 13610 Le Puy Sainte Réparade, France — 3 Centro de Ecología, In- stituto Venezolano de Investigaciones Científicas, Apartado 20632, Caracas 1020 – A, Venezuela — 4 Laboratoire d’Ecologie Alpine, UMR 5553 CNRS – Université Grenoble Alpes, BP 53 2233 Rue de la Piscine, 38041 Grenoble, France; Jesús Mavárez * [jesus.mavarez@univ-grenoble- alpes.fr] — 5 Zoological Division, Nature Education Centre, Jagiellonian University, Gronostajowa 5, 30 – 387 Kraków, Poland — * Correspond- ing authors Accepted 17.ii.2017. Published online at www.senckenberg.de/arthropod-systematics on 30.viii.2017. Editors in charge: Karl Kjer & Klaus-Dieter Klass Abstract We revise the taxonomy and phylogeny of the genera Steromapedaliodes Forster, 1964 and Redonda Adams & Bernard, 1981, both subparamo and paramo endemics of the Cordillera de Mérida (Venezuela). Redonda is hereby synonymized with Steromapedaliodes, a decision supported by a comparative study evidencing several synapomorphies of both genera in external characters and genitalia, and the lack of salient synapomorphies specific to each genus in morphological, biogeographical and ecological traits. Also, Steromapedaliodes mavarezi sp.n. presents several intermediate characters in relation to the species traditionally assigned to Redonda and Steromapedali­ odes. Furthermore, a molecular phylogenetic analysis with the use of one nuclear and three mitochondrial markers shows no support for reciprocal monophyly between Redonda and Steromapedaliodes but provides strong support for the monophyly of Steromapedaliodes sensu novo, with low levels of genetic divergence among species. Two new species of Steromapedaliodes are described, S. kahlua sp.n. and S. mavarezi sp.n. We describe five new subspecies ofS. albonotata (Godman, 1905), two of S. albarregas (Adams & Bernard, 1981), and the females of S. empetrus empetrus (Thieme, 1905) comb.n. and S. lathraia Viloria & Camacho, 2015 comb.n. Several new status and synonymies are also established. Accordingly, Steromapedaliodes contains nine species, including four that are highly polytypic. Adult Seromapedaliodes share several striking morphological and genital similarities with another north Andean paramo genus, Dangond Adams & Bernard, 1979 from the Sierra de Perijá. However, our phylogenetic analysis shows that the two are not sister taxa and that they originated in separate clades of the speciose Pedaliodes complex. This shows that convergence in butterflies affects not only external morphology traits directly correlated with habitat selection but also genitalia. Steromapedaliodes has undergone an adaptive radiation in geographically isolated paramos resulting in unusual morphological and behavioural characters such as brachyptery and flightlessness of the females of S. bordoni Viloria & Pyrcz, 2003 comb.n. and S. empetrus (Thieme, 1905) comb.n., a unique adaptation among the world’s butterflies. Key words Adaptive radiation, Andes, convergence, endemism, species description, generic revision, paramo, Steromapedaliodes, Redonda. ISSN 1863-7221 (print) | eISSN 1864-8312 (online) 195 Pyrcz et al.: Taxonomy and phylogeny of Steromapedaliodes 1. Introduction outstanding in comparison to other isolated mountainous massifs of northern South America or Central America, which harbour one endemic butterfly genus at most:Par ­ Montane forests cover most of the areas in the Northern amo Adams & Bernard, 1977 (1 sp.) in the Sierra Nevada Andes, but the altitudinal belt above 3000 m corresponds de Santa Marta (other two genera originally described as to a tundra-like or grasslands ecosystem known as pára­ endemic by ADAMS & BERNARD (1977) were subsequently mo (hereafter paramo, SALGADO-LABOURIAU et al. 1988). synonymized or found to be more widely distributed), This ecosystem is therefore found between the continu- Dangond (1 sp.) in the Sierra de Perijá and Drucina But- ous tree line and the snow line and is characterised by ler, 1872 (2 spp.) in Panama /Costa Rica (Sierra de Tala- a very high proportion of giant rosette plants, alongside manca and Meseta Central) and southern Mexico. shrubs and grasses (LUTEYN 1999). Paramo habitats are It must however be acknowledged that further pro- very young, because although the Northern Andes started gresses in the understanding of the biogeography and to rise in the late Oligocene, they were ridges and small evolution of endemic taxa from the Cordillera de Mérida, mountains smaller than 700 m in elevation by mid-Mi- and the Pronophilina in particular, have been hampered ocene, attained 30 – 40% of their modern elevation by by a lack of studies on their phylogenetic relationships 5.3 Mya early-Pliocene) and reached present-day heights and taxonomy. Only one molecular phylogenetic analy- through a rapid final uplift by 2.7 Mya (late-Pliocene) sis including samples of the genera discussed herein has (VAN DER HAMMEN et al. 1973; VAN DER HAMMEN & CLEEF been conducted so far, and it was designed more to depict 1986; VAN DER HAMMEN 1989; KROONENBERG et al. 1990; the high level phylogeny of the subfamily Satyrinae rath- ANDRIESSEN et al. 1992; HELMENS & VAN DER HAMMEN er than to establish relationships among genera (PEÑA et 1994; GREGORY-WODZICKI 2000; HOOGHIEMSTRA et al. al. 2011). In consequence, the phylogenetic relationships 2006). Besides, paramos are also very fragmented; struc- of the endemic Pronophilina from the Cordillera the Mé- tured as many small “islands” of cold grassland habitats rida remain largely unstudied, which also contributes in surrounded by a “sea” of warm forest. This geological some degree to the taxonomic ambiguity associated with and ecological set-up has had a profound impact on the some of these taxa. For instance, the highly distinctive biodiversity of the paramo ecosystem, making it the one Diaphanos, with three described species, appears distant- with the highest diversity and the highest proportion of ly related to Lymanopoda Westwood, [1851] (PEÑA et al. plant endemics among the world’s high-altitude habitats. 2011), but its position within the Pronophilina remains a For instance, paramos are home to no less than 20 en- matter of controversy (PYRCZ 2010a). On the other hand, demic plant genera and an unknown but large number of the phylogenetic affinities of the monobasic genus Chei­ endemic monophyletic groups within other taxa (LUTEYN mas are even more dubious, as the analysis of PEÑA et al. 1999; Sklenář et al. 2011). (2011) indicates that it is only loosely related to Corades In Venezuela, most paramos are found in the high-
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