muzoni Marino & Spinelli, 2004a: 148 (male, female). Type locality: Argentina, Río Negro, meseta de Somuncura, Estancia El Rincón, 40°59'24.1''S, 66°40'35.7''W, 620 m. HT M (MLPA). Distr.: Argentina (Río Negro: type locality; meseta de Somuncura, Chipauquil, vertiente arroyo Valcheta, 40°58’25’’S, 66°39’14.7''W, 630 m). Refs.: Marino & Spinelli, 2004a: 148; Muzón et al., 2005: 62.
Diagnosis. Brown to dark brown species; jaw with 30 teeth, uniformly brown legs; wing with three clear areas evident on the anterior margin, halterium with whitish capital; a bulky spermateca, sternum 9 of the male excavated in the caudomediano third; robust edeago, very low basal arch; long and thin, very curved, slightly basally connected parameters, long filiform posterior processes, recurred apices.