The larvae feed on the flowers and seeds of Hemp Agrimony (Eupatorium cannabinum), Gypsywort (Lycopus europaeus), and of Chrysocoma linosyris during August to October.
Lycopus europaeus, the gypsywort, gipsywort, bugleweed, European bugleweed, water horehound or ou di sun, a perennial plant species native to Europe and Asia, and naturalized in the United States
Lycopus europaeus, common names gypsywort, gipsywort, bugleweed, European bugleweed and water horehound, is a perennial plant in the Lycopus genus, native to Europe and Asia, and naturalized in the United States.
Ulex europaeus | Lycopus europaeus | Trollius europaeus | Euonymus europaeus | Platycheirus europaeus | Lycopus |
The plant's juice yields black dye, supposedly used by the Roma to tan their skin to mimic Egyptians in Europe, and hence the common name of Gypsywort for Lycopus europaeus.