''Ianussiusa'' is a
monotypic butterfly genus in the family
Nymphalidae. It contains only one species, ''Ianussiusa maso'', which is found in
Colombia
Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...
and
Venezuela.
References
Butterflies described in 1905
Satyrini
Monotypic butterfly genera
{{Satyrini-stub