Abstract
This article aims to show new records of Conepatus chinga for the states of Parana and Santa Catarina, in southern Brazil, contributing to increase knowledge on its distribution, besides describing the microstructural patterns of its guard hair. Three run-over specimens were found in highway BR-280, two of them in the town of Palmas, in Parana, and one in the town of Abelardo Luz, in Santa Catarina. For describing the cuticular and medullary pattern of guard hairs, sixty slides were made. Conepatus chinga has a cross-sectional and undulated cuticular pattern and an anisocytic medullary pattern. The description of microstructural patterns of C. chinga makes it easier to conduct studies related to its ecology, increasing the chances to identify hairs found in fecal samples from carnivores in mastofauna studies.
Highlights
The genus Conepatus consists of four species distributed in American ield biomes (WOZENCRAFT, 2005)
Two species occur in the Brazilian territory, Conepatus semistriatus (Boddaert, 1785), observed from the northeastern country to the state of São Paulo, especially in open vegetation of Caatinga, Cerrado, and Pantanal (VIEIRA, 1955; EMMONS; FEER, 1997; EISENBERG; REDFORD, 1999; SILVA et al, 2004; CÁCERES et al, 2008; REIS et al, 2011), and Conepatus chinga, which occurs in ield areas and forest edges in the states of Santa Catarina and Rio Grande do Sul and it requires more conirmation for the state of Paraná (REIS et al, 2011)
Conepatus chinga (Molina, 1782) is a small carnivore that has a long, thin, coat, with a general black to dark brown color and two white stripes that may extend from the top of its head down to the sides of the back up to the base of the tail (REIS et al, 2011)
Summary
Novos registros e descrição dos padrões microestruturais do pelo-guarda de Conepatus chinga (Molina, 1782) (Carnivora, Mephitidae) para os estados do Paraná e Santa Catarina, Sul do Brasil. Este artigo tem por objetivo apresentar novos registros de Conepatus chinga para os estados do Paraná e Santa Catarina, na região Sul do Brasil, contribuindo para aumentar o conhecimento sobre sua distribuição, além de descrever os padrões microestruturais de seu pelo-guarda. Para a descrição do padrão cuticular e medular dos pelos-guarda, foram confeccionadas 60 lâminas. Conepatus chinga apresenta um padrão cuticular ondeado transversal e um padrão medular anisocélico. A descrição dos padrões microestruturais de C. chinga facilita a realização de estudos relacionados à sua ecologia, ampliando as chances de identiicação de pelos encontrados em amostras de fezes de carnívoros em estudos mastofaunísticos.
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