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Distribution patterns of riodinid butterflies (Lepidoptera: Riodinidae) from southern Brazil

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Distribution patterns of riodinid butterflies (Lepidoptera: Riodinidae) from southern Brazil

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Título Distribution patterns of riodinid butterflies (Lepidoptera: Riodinidae) from southern Brazil
Autor Siewert, Ricardo Russo
Iserhard, Cristiano Agra
Romanowski, Helena Piccoli
Callaghan, Curtis J.
Moser, Alfred
Abstract Background: The aim of this study was to synthesize the knowledge of Riodinidae butterflies (Lepidoptera: Papilionoidea) in Rio Grande do Sul state (RS), southern Brazil, evaluating the role of climatic, topographic, and vegetational variables on the observed patterns of occurrence and distribution of these butterflies in the Pampa and Atlantic Forest biomes. The records of riodinid butterflies in RS were collected from published studies and the examination of museum collections in Brazil. Results: A total of 97 taxa of Riodinidae were recorded, distributed in 92 municipalities. The NMDS analysis and the Constrained Analysis of Principal Coordinates grouped the municipalities according to the phytogeographic regions and biomes - Pampa and Atlantic Forest domains - in which the species records were made. Distance from the ocean, precipitation and temperature were the environmental variables which most contributed to explain the distribution patterns of these butterflies. The multivariate Mantel correlogram suggests that over short distances, the composition of species shows significant levels of spatial autocorrelation, and as geographic distance increases, these levels tend to present negative values. Conclusions: The results suggest that the observed distribution pattern of Riodinidae in the different biomes and phytogeographic regions in the extreme southern Brazil could be explained by climatic, environmental variables and geographic distance.
Contido em Zoological studies. Taipei, Taiwan. Vol. 53, no. 15 (Mar. 2014), 10 p.
Assunto Bioma Pampa
Mata atlântica
Riodnidae
[en] Atlantic forest
[en] Occurrence
[en] Pampa
[en] Spatial autocorrelation
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/110155
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