The larvae feed on "Achillea millefolium". The larvae feed on "Artemisia maritima" and "Achillea millefolium". "C. pipiens" is a pollinator of "Silene otites," "Tanacetum vulgare," and "Achillea millefolium". The larvae feed on "Achillea millefolium" and "Artemisia" species. Yarrow ("Achillea millefolium") is a plant in the family Asteraceae. The larvae feed on "Calluna" species and sometimes "Achillea millefolium". "Achillea millefolium" is cultivated as an ornamental plant by many plant nurseries. "Achillea millefolium" is a food source for many species of insects. The larvae feed on yarrow ("Achillea millefolium") and tansy ("Tanacetum vulgare").