Monomorium knappi Collingwood & Agosti, 1996: 348, fig. 20 (w.) YEMEN. Afrotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Yemen: Wadi Hadramaut, 24.iii.1993 (M. Knapp). Primary type depository: unknown (perhaps WMLC or NHMB). Secondary type information: Secondary type material: paratype workers (number not stated). Secondary type locality: same as for holotype. Secondary type depository: unknown (perhaps WMLC or NHMB). Type notes: Collingwood & Agosti, 1996: 301, say “All type material is housed in NHMB and duplicates placed in appropriate institutes and museums of the contributing countries”; this apparently was never done.