Monomorium minimum subsp. cyaneum Wheeler, 1914c: 43 (w.q.) MEXICO (Hidalgo). Neotropic.

Primary type information: Type-material: lectotype queen (by designation of DuBois, 1986: 84). Type-locality: Mexico: Hidalgo, Guerrero Mill, 1913 (W.M. Mann). Type-depositories: LACM, USNM, MZSP. Type notes: 1) DuBois, 1986: 84, cites 40 workers, 4 queens in USNM (which are assumed to have paralectotype status). 2) Original description merely says “numerous” workers and queens.