Molossus melini has records from Paraná, Argentina, and Curitiba, Brazil. Four Brazilian specimens had hairs with white bases and brown to yellow-brown tips; an Argentine study documented a group roosting in a tree hollow.
Four Brazilian specimens had hairs with white bases and tips ranging from brown to yellow-brown.
A study in Argentina found a group roosting in a hollow ash tree in urban woodland.
An extinction-risk assessment has not been added yet.