Generalist-habitat-use
Guides
Pieris marginalis
margined white
Pieris marginalis, commonly known as the margined white, is a butterfly species distributed across western North America from the Yukon through Western Canada to the Rocky Mountains. It exhibits seasonal polyphenism, with distinct spring and summer wing forms. The species utilizes plants in the family Brassicaceae as larval hosts and has been observed in both disturbed and undisturbed habitats, suggesting ecological flexibility.