Type location Zimbabwe (Monomorium arnoldi, Forel, 1913a: 137, worker; Monomorium (Syllophopsis) jonesi replacement name, Arnold, 1952a: 465, now unnecessary) Matopo Hills, G Arnold.
Genus redefinition by Ward et al. (2014: 10). Worker only described (see Bolton, 1987, 1995) .
Forel's (1913a) description is at . Arnold (1916: 232) gave a translation, this is at .
Bolton's modern description (1987) is at .
WORKER - TL 2.0-2.1 mm (in Bolton, 1987: 378, illustrated alitrunk profile).
The photomontage is of a syntype worker collated from http://www.antweb.org/specimen.do?name=casent0902251
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