Cataulacus marginatus Bolton, 1974a: 68, fig. 38 (w.) CHINA (Hainan I.). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: China: Hainan I., grove near Hoi Man Chuen, SW of Nodoa, 4.vii.1929, Lingnan University 5th Hainan Is expedition, 1929 (no collector’s name). Primary type depository: MCZC. Secondary type information: Secondary type material: 9 paratype workers. Secondary type locality: 4 paratype workers Hainan Is, Ta Hau, 7.vii.1935 (J.L. Gressitt), 1 paratype worker with same data but 4-5.vii.1935, 4 paratype workers Hainan Is, Nodoa, 15-17.iii.1935 (J.L. Gressitt). Secondary type depositories: BMNH, MCZC.