Formica exsectoides var. opaciventris Emery, 1893k: 653 (w.) U.S.A. (Colorado). Nearctic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: U.S.A.: Colorado, Breckenridge (no collector’s name). Primary type depositories: AMNH, MCZC, MSNG.