Resumen

ZAPATA, Lorena V  y  GRISMADO, Cristian J. Lista sistemática de arañas (Arachnida: Araneae) de la Reserva Ecológica Costanera Sur (Ciudad Autónoma de Buenos Aires, Argentina), con notas sobre su taxonomía y distribución. Rev. Mus. Argent. Cienc. Nat. [online]. 2015, vol.17, n.2, pp.183-211. ISSN 1853-0400.

The present paper compiles taxonomic information of spider species from Costanera Sur Ecological Reserve (RECS), Buenos Aires City, Argentina. The list is composed by published records, as well as data from new samplings obtained during the last eight years and other material deposited in the collection of the Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”. For each species, the material examined is detailed and comments or identification notes are added in relevant cases. Specific richness is 191 distributed in 35 families of the infraorder Araneomorphae; 22 species are cited for the first time for the Argentine fauna and the known distribution of over 30 species is broadened, becoming RECS their southern limit. Moreover, considering the 49 morphospecies that could not be identified (many of them new or potentially new species for science), the Argentine spider fauna might increase approximately in 70 species.

Palabras clave : Araneae; Biodiversity; Costanera Sur Ecological Reserve.

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