Stenamma westwoodi subsp. diecki Emery, 1895d: 300 (w.q.) CANADA (British Columbia). Nearctic.

Primary type information: Primary type material: syntype workers, syntype queens (numbers not stated). Primary type locality: Canada: British Columbia, Yale (G. Dieck) (by restriction of Creighton, 1950a: 136). Primary type depositories: MCZC, MSNG, USNM. Type notes: Other original syntype locality: 2 workers U.S.A.: Pennsylvania (T. Pergande).

Infrasubspecies

• S. w. d. impressum Emery, 1895