A New Species of Isotogastrura (Collembola: Isotogastruridae) from Northeastern Brazil

Authors

  • José G. Palacios-Vargas Laboratorio de Ecología y Sistemática de Microartrópodos, Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510 México, D. F.
  • Estevam C. Araújo de Lima Laboratório de Sistemática de Collembola e Conservação. Depto. Biologia, Centro de Ciências Biológicas e Sociais Aplicadas. Progama de Pós Graduação em Ecologia e Conservação, Universidade Estadual da Paraíba campus V, João Pessoa, PB
  • Douglas Zeppelini Laboratório de Sistemática de Collembola e Conservação. Depto. Biologia, Centro de Ciências Biológicas e Sociais Aplicadas. Progama de Pós Graduação em Ecologia e Conservação, Universidade Estadual da Paraíba campus V, João Pessoa, PB Associação Guajiru-Ciência-Educação-Meio Ambiente. Scientific Board, João Pessoa, PB

Keywords:

pan tropical Collembola, interstitial fauna, Fernando de Noronha Islands, insular fauna

Abstract

A new species of Isotogastrura from marine littoral sand of Fernando de Noronha Islands, Pernambuco State, Brazil is described and illustrated. It is characterized by the absence of prelabral setae, presence of a spatulate mucro, fusion of the dorsal part of Abd. IV and V and one pair of long circumgenital setae on males. It is similar to I. veracruzana from México. A key for the 9 species known in the genus is provided.

 

Se describe e ilustra una nueva especie de Isotogastrura de arena del litoral marino de la Isla Fernando de Noronha, Estado de Pernambuco, Brazil. Esta nueva especie se caracteriza por la ausencia de sedas prelabrales, presencia de un mucrón en forma de espátula, fusión dorsal de los Abds. IV y V y un par de largas sedas circumgenitales en los machos. Es similar a I. veracruzana de México con la que es comparada más detalladamente. Se presenta una clave para las nueve especies que se conocen del género.

 

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Published

2014-02-23

Issue

Vol. 96, No. 4 (December 2013)

Section

Research Papers

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