Proceratium spinosubum Gu et al., 2025: 34, fig. 30 (w.) CHINA (Hainan). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: China: Hainan, Tongguling, 19.6712° N, 111.0171° E, 277 m, 10.iv.2024 (Zhilin Chen). Primary type depository: GXNU. Primary type specimen: GXNU240025. Secondary type information: Secondary type material: 4 paratype workers. Secondary type locality: same as for holotype. Secondary type depository: GXNU.