Cirsium | Cirsium arvense | Cirsium palustre | Cirsium occidentale | Cirsium eriophorum | Cirsium acaule | Atriplex canescens | A mined leaf of ''Cirsium vulgare |
The larvae feed on seeds and seed coats within the flower heads of various Cirsium species (including Cirsium canescens and Cirsium occidentale) and closely related genera.