Abstract
Hydrolutos gransabanensis, a new species of Lutosini (Orthoptera: Anostostomatidae) from the cave Cueva El Tigre (Santa Elena de Uairén, SE Venezuela) is described and figured for both sexes. This is the first record of Hydrolutos spe-cies out of tepui systems. The genus is recently known by 6 apterous species from Venezuelan Guayana region.