Pieris angelika

Pieris angelika (Arctic white) is a cold-climate butterfly of the family Pieridae.

Its main range is in north-western Canada (Yukon, Northwest Territories, north-western British Columbia) and Alaska.

Viewed from above, males are mostly white, with a thin black line in the costa and margin.

The underside of the males can be a pale yellow, and are often seen with dark green veins.

Females can be white or yellow and often exhibit dark scaling and patches along the veins.