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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

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

Uso de ferramentas por Cebus Apella (Linnaeus) (Primates, Cebidae) para obtenção de larvas de coleoptera que parasitam sementes de syagrus romanzoffianum (Cham.) Glassm. (Arecaceae)1


Tool use in Cebus apella (Linnaeus) (Primate, Cebidae) to get coleoptera larvae tiiat parasite seeds of Syagrus romanzoffianum (Cham.) glassm. (Arecaceae)



Vlamir José RochaI; Nelio Roberto dos ReisII; Margareth Lumy SekiamaI

ICurso de Pós-graduação em Zoologia, Departamento de Zoologia, Universidade Federal do Paraná. Caixa Postal 19020, 81531-990 Curitiba, Paraná, Brasil
IIDepartamento de Biologia Animal e Vegetal, Universidade Estadual de Londrina. Caixa postal 6001, 86051-970 Londrina, Paraná, Brasil




This paper reports the behavior of the black capped capuchin monkey, Cebus apella, using tools to break seeds of Syagrus romanzoffianum in search of coleoptera larvae that live inside. The study area was the Parque Municipal Arthur Thomas (85,47 ha) located in the city of Londrina, Paraná state. In one year of study, using the ad libitum method, the monkeys were observed using rocks pretty much in the same way as if they were hammer and anvil. Individuais of both sexes including adults, subadults and juveniles with more than two years of age, were involved in such activity. The behavior of the animais consisted of they place the seeds on a large rock in the ground, and using a smaller rock which was hold among the hands, the seeds were beaten repeatedly until breaking. Then they ate the larvae and/or endosperm. The use of tools is thought to have brought benefits to the animais by allowing the access to a source of food that would not normally be used.

Key words: Primate, Cebidae, Cebus apella, behavior.



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Recebido em 04.VII.1997; aceito em 03.XI.1998.



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

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