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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.12 no.1 Manaus Mar. 1982 


Dispersal centers of the Amazonian acridids

C. Amédégnato1 

M. Descamps1 

1Laboratoire d'Entomologie, Muséum National d'Histoire Naturelle, Paris.


The dispersal centers of the Amazonian acridid arboreal fauna are defined on the basis of the study of the subfamilies Bactrophorinae and Proctolabinae. Four dispersal centers are revealed which correspond to the main centers proposed by Müller (1973) and Haffer (1979). The ecological characteristics of their fauna and the relations between the centers are tentatively approached through the study of some polycentric distribution patterns (Ommatolampinae, Proctolabinae) as well as through the more restricted relations between the Amazonian centers and the Atlantic Forest.


Os centros de dispersão da fauna acridiana arbórea da Amazônia são definidos com base no estudo das Subfamílias Bactrophorinae e Proctolabinae. Foram revelados quatro centros de dispersão, os quais correspondem aos principais centros propostos por Müller (1973) e Haffer (1979). As características ecológicas de suas faunas e as relações entre os centros são abordadas provisoriamente através do estudo de alguns padrões de distribuição policêntrica (Ommatolampinae, Proctolabinae), assim como através de relações mais restritas entre os centros amazônicos e a Mata Atlântica.

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