Setoppia angustopili (Hammer, 1962)
Specimens examined: LLao LLao - under N. dombeyi, leaf litter XI-2006 (91), soil XI-2006 (9), Pampa Linda—under N. dombeyi-A. chilensis mixed forest, pitfall III-2005 (2).
Remarks: Originally described from Chile. Previously reported from Argentina [as Lanceoppia angustopili Hammer] but with unknown collecting site (Balogh & Csiszár 1963) although province of Río Negro or the province of Chubut include the suspected sites. First record for the province of Río Negro.