chilensis Ingram & Macfie, 1931: 175 (hembra). Localidad tipo: Argentina, Río Negro, PN Nahuel Huapi, Bariloche, 41°08'0.50"S, 71°18'37.00"W). HT F (BMNH). Distr.: Chile, Argentina (Río Negro: localidad tipo; PN Nahuel Huapi, Estación Biológica Puerto Blest, 41º01'31.5''S 71º49'21.4''W, 787 m; PN Nahuel Huapi, mallín La Cortadera, 41º05'13''S, 71º48'26''W, 769 m; PN Nahuel Huapi, río Manso medio, La Cantera, 41º21'16''S, 71º42'27.3''W, 764 m). Refs.: Ingram & Macfie, 1931: 175; Tóthová et al., 2009: 48.
NUEVO REGISTRO:
Neuquén: PN Nahuel Huapi, arroyo Blanco, Villa Traful, 40º39'3.4''S 71º24'45.8''W, 822 m. Río Negro: PN Nahuel Huapi, río Guillelmo, 41°21'13.09"S, 71°30'58.13"W. Santa Cruz: lago San Martín, Estancia Maipú, 49°09’46.57”S, 72°29'3.52"W.

Diagnosis: Male adult: only extant species of Atrichopogon (Meloehelea) in the Neotropical region with posterodorsal projection of aedeagal-parameral complex tapering to cap-like process and the lateral margins of posteroventral process sinuate, its posteromedial portion notched. Female adult: not distinguishable from those of A. oedemerarum.