Anthriscus species are used as food plants by the larvae of some Lepidoptera species including the Mouse Moth (recorded on Cow Parsley).
The larvae feed on a wide range of plants, including of Urtica, Chelidonium, Convolvulus, Euphorbia, Rumex, Aconitum, Lilium, Anthriscus, Aster, Rosa, Lonicera xylosteum, Acer and Quercus.
These shield bugs are frequently found on the umbels of Apiaceae (Heracleum, Anthriscus, Foeniculum, etc.) and often on the flowers of the Greater Pignut, Bunium bulbocastanum.