Formica caduca Victor, 1839: 47, pl. 2, fig. d (w.) ARMENIA. Palearctic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Armenia: close to bank of River Araxes (T. Victor). Primary type depository: unknown (material apparently lost).

Infrasubspecies

• S. b. c. gallum Emery, 1895
• S. b. c. luridum Emery, 1898