Leptothorax rugatulus var. cockerelli Wheeler, 1917a: 509 (w.q.) U.S.A. (New Mexico). Nearctic.

Primary type information: Primary type material: syntype workers (number not stated, “more than 100”), 8 syntype queens. Primary type locality: U.S.A.: New Mexico, Las Vegas Hot Springs (T.D.A. Cockerell). Primary type depositories: AMNH, MCZC. Type notes: Snelling et al., 2014: 72, cite 10 worker syntypes in MCZC.