Schizaraeus acuticosta Kulzer, 1955 (Fig. 1)

Schizaraeus acuticosta Kulzer, 1955: 480 (original description).

Type locality. Argentina, Catamarca Province, Santa María Department, Caspinchango.

Type material. HOLOTYPE (Fig. 1): ‘ Argentina: Catamarca, Dpto. Santa María, Caspinchango, leg. Weiser’ (NHMB). Studied only from photo of dorsal aspect provided by courtesy of René Fouquè.

Additional material examined. ARGENTINA: LA RIOJA: Dpto.Arauco, Arauco, 10 km S of Aimogasta, ii.1938, 1 spec. (IADIZA). SALTA: Dpto.Rosario de Lerma, Ingeniero Maury, 24º39.97′S, 65º47.21′W, 2367 m, 22.xi.2005, 1 spec., A. González lgt. (IADIZA, donated by Instituto para el Estudio de la Biodiversidad de Invertebrados, Universidad Nacional de Salta).

Differential diagnosis. We mention only the features different from S. fouquei sp. nov.: antennomere III twice as wide at the apex than at the base; pronotum with lateral margins curved in anterior 2/3 and narrowed in posterior third, anterior angles rounded and posterior angles straight.

Description. See KULZER (1955).

Distribution. Argentina: La Rioja, Catamarca and Salta provinces (Fig. 11), in localities belonging to the biogeographic province of Monte.