Formica arcana

Archibald et al. (2018) note that the determination of this taxon is in need of revision.

Distribution
This taxon was described from.

Nomenclature

 * † arcana. †Formica arcana Scudder, 1877b: 266 (wing) CANADA.
 * Carpenter, 1930: 21 treats this taxon as (Formicidae) arcana (Scudder).