Otostigmus spinosus Porat, 1876
Otostigmus (O.) spinosus Porat, 1876: 22
Otostigmus (O.) spinosus —Attems, 1930: 152, fig. 182 Otostigmus (O.) spinosus —Schileyko, 2001: 433
Otostigmus (O.) spinosus —Lewis, 2001: 37, figs 75–78 Otostigmus (O.) spinosus —Schileyko, 2007: 81, fig. 5 Otostigmus (O.) spinosus —Decker, 2013: 18
Previous records. KHANH HOA (Nha Trang); LAM DONG (Da Lat); DONG NAI (Ma Da; Cat Tien NP) (Schileyko, 2001, 2007).
Remarks. Also known from Indonesia, Malaysia, Myanmar and New Guinea (Attems, 1930; Schileyko, 2007).