Flowers visited include umbellifers such as wild carrot and "Heracleum sphondylium". They mainly feed on pollen and nectar of "Heracleum sphondylium" as well as small insects. Similarly in 1887 Sornevin reported that "Heracleum sphondylium" caused dermatitis. Adults feed on nectar and pollen from "Tanacetum vulgare" and "Heracleum sphondylium". They mainly feed on nectar and pollen of "Angelica sylvestris", "Heracleum sphondylium" and "Scorzoneroides autumnalis". Adults nectar on "Heracleum sphondylium "and other members of the Apiaceae. Adults fly from May to September, feeding on nectar of flowers (especially of "Heracleum sphondylium"). The larvae feed on "Heracleum sphondylium", "Pastinaca sativa" and "Apium nodiflorum". Its diet consists of "Urtica dioica" juices, "Heracleum sphondylium" nectar, and "Centaurea jacea" nectar. "Heracleum sphondylium" reaches on average of height, with a maximum of . Adults feed of nectar and pollen on "Tanacetum vulgare", "Angelica sylvestris" and "Heracleum sphondylium". It feeds on "Daucus carota", "Laserpitium siler", "Astrantia major", "Anthriscus sylvestris", "Heracleum sphondylium". They usually feed on umbellifers flowers, particularly on common hogweed ("Heracleum sphondylium") and Angelica species. Associated species are "Heracleum sphondylium", "Lilium martagon" var. "cattaniae" and "Asphodelus albus".