Notosciomyza dubia Malloch, 1933: 303 (fig. 56a), 313–315, 317 (fig. 57a–b). Holotype. Male (NHMUK), Lake Nahuel Huapi, eastern end.
Syntypes. Male and female (MNHN), Ecuador, Cuencas.
Distribution. Argentina: Buenos Aires, Chubut, Córdoba, Corrientes, Jujuy, La Rioja, Mendoza, Río Negro, Santa Cruz, Tucumán. Bolivia: La Paz (Achacachi 2 km N). Brazil: Rio Grande do Sul. Chile: Región de Atacama: Copiapó Province (Nantoco); Región de Coquimbo: Choapa Province (Hacienda Illapael, Illapel); Región de Valparaíso: Valparaíso Province (Casablanca), Marga Marga Province (Marga Marga), Los Andes Province (Los Andes), San Antonio Province (Barrancas, San Antonio); Región Metropolitana de Santiago: Santiago Province (El Noviciado, Santiago 15 km S), Talagante Province (Talagante), Cordillera Province (Baños Morales, Los Maitenes); Región del Maule: Maule Province (Curanipe); Región del Biobío: Concepción Province (Escuadrón), Biobío Province (Los Ángeles, Salto del Laja); Región de La Araucanía: Malleco Province (Angol); Región de Los Lagos: Osorno Province (no precise locality), Llanquihue Province (Ensenada, Lago Llanquihue); Región de Aysén: General Carrera Province (Chile Chico); Región de Magallanes y la Antártica Chilena: Última Esperanza Province (Cueva del Milodón, Laguna Azul), Magallanes Province (Punta Arenas), Tierra del Fuego Province (Bahía Inútil). Colombia: Cundinamarca, Nariño, Putumayo. Ecuador: Azuay, Cotopaxi (Salcedo), El Oro, Napo (Papallacta), Pichincha. Uruguay: Montevideo.
References. Stuardo 1946: 151 (catalog, Notosciomyza); Steyskal 1953: 75 (taxonomy); Steyskal 1963: 123 (taxonomy); Boyes et al. 1969: 338, 345, 348–350 (cytotaxonomy); Kaczynski et al. 1969: 573 (key, fig. 1 habitus male); 573–576 (redescription, geographic distribution); 574, 575 (figs. 2, 6 male postabdomen); 579 (fig. 10 geographic distribution); 580 (figs. 11–19 mouthparts larva); 582 (figs. 29– 34 larvae); 586 (figs. 41– 48 pupae); Abercrombie 1970: 53, 160 (key to larvae), 162 (key to puparia); Knutson et al. 1976: 8 (catalog); Marinoni 1995: 131 (list); Marinoni & Mathis 2000: 165 (table 1 character states); 172 (fig. 18 antenna); 175 (fig. 53 female terminalia); 179, 183, 188 (figs. 82, 129, 172 male terminalia); 195 (figs. 233– 235 male terminalia); Knutson & Vala 2011: 39 (biology); 56 (table 5.4 biology); 113, 129 (biology); 187 (morphology); 237 (fig. 14.36a larval mouthhook and ventral arch); 246 (fig. 14.40a cephalopharyngeal skeleton); 278 (fig. 15.7a female terminalia); 286 (figs. 15.15a–c larval posterior spiracular disc, apex of segment XII); 359, 364 (geographic distribution); 452 (table 21.1 world checklist); Williams et al. 2013: 106–107 (habitat); Marinoni & Murphy 2016: 644 (geographic distribution).
Remarks. J. Zuska examined the syntypes (Kaczynski et al. 1969: 572), as did L.V. Knutson in 2008 (unpubl.).