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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.19  supl.1 Curitiba July 2002

http://dx.doi.org/10.1590/S0101-81752002000500025 

Stonefly (Plecoptera) fauna in a mountainous area of Central Brazil: composition and adult phenology

 

 

Pitágoras C. BispoI; Cláudio G. FroehlichI; Leandro G. OliveiraII

IDepartamento de Biologia, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo. Avenida Bandeirantes 3900, 14040-901 Ribeirão Preto, São Paulo, Brasil. E-mail: pitbispo@usp.br and cgfroeh@usp.br
IIDepartamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Goiás. Campus Samambaia, Caixa Postal 131, 74001-970 Goiânia, Goiás, Brasil. E-mail: lego@icb1.ufg.br

 

 


ABSTRACT

A survey of the stonefly (Plecoptera) fauna of streams of the Almas River basin, Pirenópolis, Goiás State, Central Brazil, is presented as well as data of some factors that could affeet the temporal distribution of the adults. For checking adult phenology, light sources were used in three stations from June 1993 to Jully 1994. The sampled individuais were identified to species or morphospecies, as possible. In this study, 301 individuais belonging to the perlid genera Anacroneuria Klapálek, 1909, Kempnyia Klapálek, 1916 and Macrogynoplax Enderlein, 1909 were collected. Adults of most species were collected along the studied period, except for those of Kempnyia that were restricted to the warm-rainy season, the same pattern for this genus in southeastern Brazil. Although adults of most species were collected along most of the studied period, the largest number of adults was collected in the months with larger mean temperatures, showing a clear seasonality in abundance.

Key Words: Plecoptera, Central Brazil, adult phenology, seasonality


 

 

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ACKNOWLEDGEMENTS. To FUNAPE-UFG for financial support during field work; to CAPES and to FAPESP (proc. 98/11074-3) for scholarships to the first author; to CNPq for a research fellowship to the second (301247/96-0) and third (300833/98-9) authors.

 

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Received in 23.III.2001; accepted in 05.VII.2002.

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