sourceTaxonName: Formica difficilis Emery, 1893
sourceTaxonPath: Animalia | Arthropoda | Insecta | Hymenoptera | Formicidae | Formica | Formica difficilis
targetTaxonName: Polyergus sanwaldi Trager, 2013
localityName: Westchester, Section 100
referenceCitation: Field Museum of Natural History (Zoology) Insect, Arachnid and Myriapod Collection - Version 12.64. Accessed at <https://fmipt.fieldmuseum.org/ipt/archive.do?r=fmnh_insects> on 24 Feb 2026.