Observation notes: Butterfly was in a Willow Bog alongside Middle Quartz Road (at well over 10,000 feet) and the creek where hubby was trout fishing.
Verified by: A_baldini
Verified date: August 10, 2018
Coordinator notes: All the evidence (prominent pink wing fringing, willow bog habitat, and subalpine elevation) proves your identification is correct. Also, on average, this species is smaller than its close relative, the Queen Alexandra's Sulphur.