Monomorium compressum Wheeler, 1914 valid
Monomorium minimum subsp. compressum Wheeler, 1914c: 43 (w.q.) MEXICO (Hidalgo). Neotropic.
Primary type information: Type-material: lectotype queen (by designation of DuBois, 1986: 95). Type-locality: Mexico: Hidalgo, San Miguel, 1913 (W.M. Mann). Type-depository: USNM. Type notes: DuBois, 1986: 95, counted 12 workers, 3 queens in USNM, which are assumed to have paralectotype status; original description merely says “several” workers and 4 queens.