Johnson, R.A. 2025. A new species of seed-harvester ant in the genus Pogonomyrmex (P. brevibarbis group) with ergatoid queens and intercastes from the Andes of Argentina (Hymenoptera: Formicidae: Myrmicinae). Zootaxa. 5693, 2 (Sep. 2025), 223–242. DOI:https://doi.org/10.11646/zootaxa.5693.2.5.