Membranoppia (Pravoppia) argentinensis (Balogh & Csiszár, 1963)
Specimens examined: Cerro Otto - under A. chilensis, leaf litter XI-2006 (25), soil XI-2006 (2).
Remarks: Originally described from Argentina. Previously reported from that country [as Oppia argentinensis Balogh & Csiszár] in the province of Río Negro (Balogh & Csiszár 1963).