Isatis tinctoria | Poa glauca | Picea glauca | Nicotiana glauca | Casuarina glauca | Festuca glauca | Yucca glauca | Stypandra glauca | Quercus glauca | ''Notonecta glauca'' | Hoffmannseggia glauca | Arctostaphylos glauca | Agoseris glauca | Abarema glauca |
The larvae feed on the flowers and young fruits of Sinapis arvensis, Isatis tinctoria, Isatis glauca, Aethionema saxatile, Iberis sempervirens, Biscutella mollis, Biscutella laevigata, Bunias erucago and Aurinia saxatilis.