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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.15 no.4 Curitiba Dec. 1998 

Richness and diversity of aphids (Homoptera, Aphididae) along an altitudinal gradient in the Serra do Mar, Paraná, Brazil1



Crisleide Maria Lazzarotto; Sonia Maria Noemberg Lázzari

Departamento de Zoologia, Universidade Federal do Paraná. Caixa Postal 19020, 81531-990 Curitiba, Paraná, Brasil. Bolsista do CNPq




The lack of bioecological studies on aphids in regions with complex floristic and faunistic structure, such as the Atlantic Tropical Rain Forest, lead to the initiation of this research. The objectives were to determine species richness and diversity of aphids and to investigate the influence of altitude and environmental perturbations on aphid populations. The collections were made with yellow pan traps at 11 sites with altitudes from -10 m to 1000 m above sea level (a.s.l.), in the Serra do Mar, Paraná, Brazil, from December 1993 to December 1994. Richness and diversity of aphids were greatest at 85 m a.s.l. This site was characterized by three distinct floral communities: primary vegetation, secondaiy vegetation in successional stages, and secondary vegetation subject to regular mowing. No pattern in the number or kinds of species could be established along the altitudinal gradient. These results, indicate that several factors interact, but especially floristic composition and climatic conditions, to determine aphidofauna richness and diversity in this region of the Atlantic Tropical Rain Forest.

Key words: aphids, diversity, equitability, richness, altitude.



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Recebido em 30.VIII.1997; aceito em 05.XI.1998.



1 Contribuição número 1030 do Departamento de Zoologia, Universidade Federal do Paraná.

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