There are variation of specimens sizes. It is possible to find small, medium and big specimens. They can have 11-29 mm long bodies, legs 35 to 71 mm and pedipalpi 20 to 43 mm. This is a polymorphic species that can vary in color and size and this can be confusing if we want to identify it. The general coloration is black gray or brown reddish, the best characteristic for recognizing is that they have two light marks, close to the lateral eyes, on the sides of prosoma. Dorsal tibial spine V shorter than III, and II longer than VI. Also distal displacement is present in dorsal spines of tibia of pedipalpi.
They live in fallen logs, crevices, under rocks, and caves, they are also very common in human buildings.
At this time their conservation status is unknown.
Mexico, Guatemala, Honduras, El Salvador, Nicaragua and Costa Rica.
They are widely distributed in Costa Rica, principally in the north parts. They live on both Atlantic and Pacific sides in different environment, such as high humid and dry tropica! forest, with average temperatures over 24° C and rain from 1000 to 8000 mm.