Formica propinqua

Distribution
This taxon was described from the United States.

Additional References

 * [[Media:Cole 1956g.pdf|Cole, A. C., Jr. 1956g. Studies of Nevada ants. IV. Descriptions of sexual castes of three members of the rufa group of the genus Formica L. J. Tenn. Acad. Sci. 31: 257-260 PDF]]