 The larva feed on various low-growing plants, including "Trifolium" ("Trifolium medium", "Trifolium montanum", "Trifolium pratense", "Trifolium repens") and "Lathyrus" species ("Lathyrus pratensis", "Lathyrus linifolius", "Lathyrus sativus"), as well as "Vicia", "Lotus corniculatus", "Lotus uliginosus", "Onobrychis viciifolia".Larvae and pupae are occasionally parasitized by "Tachinidae" species ("Phryxe magnicornis") and by some species of wasps.The larva eat until late summer and early winter, and continue to develop in the following year.