Stolas vidua (Boheman, 1850)
Mesomphalia vidua Boheman, 1850: 242 (TE in BMNH), 1856: 41, 1862: 108; Burmeister, 1870: 274; Gemminger and Harold, 1876: 3636; Wagener, 1881: 65.
Pseudomesomphalia vidua: Spaeth, 1914 g: 43.
Stolas vidua: Blackwelder, 1946: 740; Borowiec, 1999 d: 157.
Distr.: Buenos Ayres. Paraguay; Argentina: Corrientes.