Pontia occidentalis nelsoni (W. H. Edwards, 1883);  Comments: Alaska TL: USA (Ak).

Pontia occidentalis nelsoni ♂ USA: AK, North Slope Borough, Dalton Highway, South of Atigun Pass, 4255, 12-VII-2021, specimen No. WRD 19970. Dempwolf collection. DNA sample NVG-22059G02   —   © Nick V. Grishin