new specimens of anolis phyllorhinus (squamata, polychrotidae): the first female of the species and of proboscid anoles

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ID: 259338
2002
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Abstract
Among a series of eight specimens of Anolis phyllorhinus obtained in the northern part of the state of Mato Grosso, Brazil, one was determined to be the first female known for the species and the first so far reported for proboscid anoles. The female lacks the characteristic male proboscis and, excepting a few consistent differences, is morphologically similar to females of Anolis punctatus, a species closely related and broadly sympatric with A. phyllorhinus. Males and females of the new series are described and new data on their ecology and behavior presented. The new data are consistent with the hypotheses that the male proboscis probably evolved as a sexual signal and that visual signals for intra and interspecific recognition are redundant in anoles.
Em uma série de 8 exemplares de Anolis phyllorhinus coletados em Aripuanã, no norte do estado de Mato Grosso encontra-se a primeira fêmea da espécie, que também vem a ser a primeira fêmea conhecida para os anolis dotados de apêndice nasal. A fêmea não apresenta a probóscide característica dos machos e, exceto por pequenas diferenças, embora consistentes, é morfologicamente muito semelhante às fêmeas de Anolis punctatus, espécie relacionada e amplamente simpátrica com Anolis phyllorhinus. Descrevem-se os machos e a fêmea da nova série, acrescidos de informações obtidas no campo sobre sua ecologia e comportamento. Os novos dados, concordam com hipóteses anteriores sugerindo que a probóscide do macho possívelmente evoluiu como um sinal sexual e que os sinais visuais para reconhecimento intra e interespecífico são redundantes no gênero Anolis.
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Authors ;Miguel Trefaut Rodrigues;Vinícius Xavier;Gabriel Skuk;Dante Pavan
Journal applied nanoscience
Year 2002
DOI
10.1590/S0031-10492002001600001
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492002001600001
Keywords
brazil brasil sexual signals polychrotidaezoology

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