Proceratium melinum

Distribution
This taxon was described from Europe (not U.S.A.).

Additional References

 * [[Media:Arnol'di 1930b.pdf|Arnol'di, K. V. 1930b. Studien über die Systematik der Ameisen. V. Der erste Vertreter der Tribe Proceratiini (Formicidae) in USSR. Zool. Anz. 91: 143-146 PDF]]