sourceTaxonName: Hystrichopsylla occidentalis
sourceTaxonPath: Animalia | Arthropoda | Insecta | Siphonaptera | Hystrichopsyllidae | Hystrichopsylla | Hystrichopsylla occidentalis
targetTaxonName: Clethrionomys californicus
localityName: 9 mi. N, 1 mi. W Gardiner
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.