These Palaeno Sulphurs Colias palaeno chippewa? are from the tundra and subalpine sections of the Steese Highway northeast of Fairbanks, Alaska on June 24 and 26, 2019:
These Palaeno Sulphurs Colias palaeno chippewa? are from in and near Denali NP, Alaska on June 25 and 27, 2019:
This Palaeno Sulphur Colias palaeno chippewa? is from the spruce/willow bog on Ballaine Road, Fairbanks, Alaska on June 28, 2019:
These Palaeno Sulphurs Colias palaeno chippewa? are from above the treeline at Arctic Valley Ski Resort, NE of Anchorage and Hatcher Pass, NW of Palmer, Alaska, on August 08 and 10, 2007:
Three different males:
This female was egg-laying directly on the grasses:
