Resumen

PALACIOS-VARGAS, José G.  y  ARBEA, Javier I.. Neotropical species of Proisotoma (Collembola: Isotomidae), with description of two new cave species from America. Rev. Mex. Biodiv. [online]. 2009, vol.80, n.2, pp.445-453. ISSN 2007-8706.

Two new cave species of Proisotoma s. str. are described and illustrated: P. turikana sp. nov. from Venezuela, and P. santosorum sp. nov. from Mexico. A key for the identification of the Neotropical species of Proisotoma sensu lato and some related genera (Ballistura, Folsomides, Guthriella, Isotoma, Mucrotoma, Varisotoma, and Scutisotoma) is included.

Palabras llave : Proistoma; caves; Neotropical region; systematics; key.

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