[3][4] The species is endemic to South America.

[2] The specific name, dugandi, is in honor of Colombian naturalist Armando Dugand.

[5] T. dugandi is found in Atlántico Department, Colombia.

[2][6] The preferred natural habitats of T. dugandi are forest and shrubland, at altitudes from sea level to 800 m (2,600 ft), but it has also been found in rural gardens.

[1] Dorsally, T. dugandi is brown with seven dark copper stripes.