Monomorium (Monomorium) minutum subsp. arboreum Weber, 1943d: 360 (w.q.) SOUTH SUDAN. Afrotropic.

Primary type information: Primary type material: syntype workers (number not stated, “one colony”), 1 syntype queen. Primary type locality: South Sudan (“Anglo-Egyptian Sudan”): W slopes Imatong Mts, ca 6200 ft, 2.viii.1939, no. 1397 (N.A. Weber). Primary type depository: MCZC.