Argyrodes nigroris Yoshida, Tso & Severinghaus, 2000[1] Spheropistha nigroris is a species of comb-footed spider in the family Theridiidae.

[2] The type series – the holotype male and three females – was collected from Orchid Island.

[1] Male Spheropistha nigroris measures 1.95 mm (0.1 in) and females measure 2.21–4.37 mm (0.1–0.2 in) in total length.

The abdomen bears a pair of small grayish flecks.

The femora are yellowish brown.