| ________________________________ | |
| Genus Ianussiusa | |
Ianussiusa maso maso (Godman, 1905) TL: Colombia |
 maso Godman 1905 ST Colombia  maso Godman 1905 ST Colombia  maso Godman 1905 T Colombia  maso Godman 1905 T Colombia |
| Ianussiusa maso santa Pyrcz & Viloria, 2007 TL: Venezuela | |
Ianussiusa maso polyommatus (Röber, 1927) TL: Colombia |
 polyommatus Röber 1927 T Colombia  polyommatus Röber 1927 T Colombia  polyommatus Röber 1927 T Colombia  polyommatus Röber 1927 T Colombia |
| Ianussiusa maso [n. ssp.#1] Pyrcz, MS TL: Ecuador | |
| Ianussiusa maso [n. ssp.#2] Pyrcz, MS TL: Colombia | |