Members of the genus Denisiella are very small globoid Collembola, with only six species previously described freom all over the world (PalaciosVargas, 1995). They are very interesting because they display well differentiated ...

Este catálogo contiene más de 560 especies de poco más de un centenar de géneros de los cuales 120 representan nuevos registros para el país.

Three new species of Nahuanura, an endemic genus of Collembola freom Mexico, are described and illustrated. A key for the identification of the four know speices is included.

Two new species of Paranura are described and illustrated, one freom Colombia and another freom Mexico. Tables for the chaetotaxy are elaborated and a key for the American species is given.