Myrmecocystus mexicanus var. melanoticus Wheeler, 1914c: 57 (w.m.) MEXICO (Hidalgo). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Snelling, 1976: 118). Primary type locality: lectotype Mexico: Hidalgo, Pachuca, 1913 (W.M. Mann). Primary type depository: MCZC. Secondary type information: Secondary type material: 7 paralectotype workers, 1 paralectotype male. Secondary type locality: same as for lectotype. Secondary type depositories: LACM, MCZC. Type notes: 1) Original description cites 8 worker, 1 male syntypes. 2) Snelling, 1976: 118, excludes specimens in USNM from the type-series.