Actinopus balcarce Ríos-Tamayo & Goloboff, 2018

Actinopus balcarce Ríos-Tamayo & Goloboff, 2018: 73, fig. 38 A–G, 46 (holotype ♂, [37º 51’ S 58º 15’ W], Balcarce, Buenos Aires, Argentina, iv.1950, C. de la Serna leg., MACN-Ar 2864, not examined); World Spider Catalog, 2020.

Diagnosis. According to Ríos-Tamayo & Goloboff (2018), males of Actinopus balcarce differ from those of A. goloboffi (Ríos, 2014, figs 6–8) and A. excavatus (Ríos-Tamayo & Goloboff, 2018, fig. 39 E–G) by having BTA well developed, PA porly developed (Ríos-Tamayo & Goloboff, 2018, fig. 38 D–F) and by the lower number of retrolateral thorns on tibia II (Ríos-Tamayo & Goloboff, 2018, fig. 38 B).

Description. See Ríos-Tamayo & Goloboff (2018: 73).

Distribution. ARGENTINA: Buenos Aires, Balcarce.

Actinopus excavatus Ríos-Tamayo & Goloboff, 2018

Actinopus excavatus Ríos-Tamayo & Goloboff, 2018: 76, fig. 39 A–H, 40A–D, 46 (holotype ♂, [32º 16’ S 64º 37’ W], Calamuchita, Córdoba, Argentina, iii–iv.1958, Viana leg., MACN-Ar 36629; paratype ♀, [30º 06’ S 63º 55’ W], Cerro Colorado, Córdoba, Argentina, 20.ix.1959, March leg. MACN-Ar 19830, not examined); World Spider Catalog, 2020.

Diagnosis. According to Ríos-Tamayo & Goloboff (2018), males of A. excavatus can be distinguished from those of A. goloboffi by the thinner and slender bulb (Ríos-Tamayo & Goloboff, 2018, fig. 39 E–G) and from those of A. balcarce by the poorly developed BTA, well-developed PA. Females present small subquadrate spermathecae with a small external apical lobe (Ríos-Tamayo & Goloboff, 2018, fig. 40 C).

Description. See Ríos-Tamayo & Goloboff (2018: 76).

Distribution. ARGENTINA: Córdoba.