The species of the genus Entimus can reach a length of about 12–45 millimetres (0.47–1.77 in). They usually have green, blue and gold iridescent scales.
These species can be found from Mesoamerica to northeastern Argentina.
This genus includes the following eight species:
The following cladogram represents the diversification of Entimus genus according phylogenetic analysis based on external morphology. It shows two vicariant events, where E. arrogans (Mesoamerican) diverged from South American species. Later, E. granulatus (Amazonian).