Specimens examined: LLao LLao - under N. dombeyi, leaf litter XI- 2006 (5), soil XI- 2006 (2), Cerro P. Laguna - under N. antarctica, soil XI- 2006 (10).
Remarks: Originally described from Argentina. Previously reported in Argentina [as Oppia dispariseta Hammer] in the province of Mendoza and in the Falkland Islands (Starý & Block 1996). First record for the province of Río Negro.