ferreyrai Díaz & Spinelli, in Díaz et al., 2011: 33 (male, female). Type locality: Argentina, La Rioja, río Miranda at national Rt. 40, 29º20'50.4''S, 67º42'12.8''W, 1590 m. HT M (MLPA). Distr. Argentina (Salta: Cafayate, 26°3'54.14"S, 65°58'21.99"W. La Rioja: type locality. Córdoba: río San Antonio, Paraje Las Jarillas, 31º32'02.8''S, 64º33'01.7''W, 820 m. Río Negro: meseta de Somuncurá, Chipauquil, vertiente arroyo Valcheta, 40°58'25''S, 66°39´14,7''W, 630 m; meseta de Somuncurá, Estancia El Rincón, 40°59'24.1''S, 66°40'35.7''W, 620 m). Refs.: Díaz et al., 2011: 33.
Diagnosis. The only species of Dasyhelea from Patagonia distinguished by the following combination of characters: tip of posteromedian projection of male sternite 9 rounded, parameres symmetrical, its basal arms not fused to bristle-like posteromedian projection, aedeagus with forceps-like posterolateral projections. Female subgenital plate small and subtriangular, spermatheca rounded with long, oblique neck.