Polia (Polia) richardsoni (Curtis, 1835)

Hadena richardsoni Curtis, 1835, Appendix to John Ross Narrative of a Second Voyage 1835: 72, pl. A, fig. 11. Type-locality: [Canada] 15 miles from River Tatchick (Eskimo name), 200 miles S of Port Bowen, very near Comptroller’s Island. Types: in coll. USNMW.

Taxonomic notes. This circumpolar Holarctic species shows intense subspeciation in both continents; the taxonomic status of the described taxa is to be clarified yet.