The larva feeds on "Cirsium arvense". The larvae feed on creeping thistle ("Cirsium arvense"). They also visit "Cirsium arvense". Adults mainly feed on juices of "Cirsium arvense" and nectar of "Leucanthemum vulgare". "Cirsium arvense" is a C3 carbon fixation plant. The larva mines "Cirsium arvense" and also feeds on seeds of "Euphrasia". GIven its adaptive nature, "Cirsium arvense" is one of the worst invasive weeds worldwide. They can spread by seed, and also by rhizomes below the surface ("Cirsium arvense").