Messor caducus (Victor, 1839) valid
Formica caduca Victor, 1839: 47, pl. 2, fig. d (w.) ARMENIA. Palearctic.
Primary type information: Type-material: syntype workers (number not stated). Type-locality: Armenia: close to bank of River Araxes (T. Victor). Type-depository: unknown, perhaps ZMUM ?
Junior synonyms
Obsolete combinations
Current subspecies (nominal plus)
Citations

Extant: 1 valid subspecies (1 synonym)