Fagus sylvatica | Knautia arvensis | Carex sylvatica | Knautia |
The insect can also be very common where there are creeping thistles (Cirsium arvense) or swamp thistles (Cirsium palustre), oregano (Origanum vulgare), Forest scabious (Knautia sylvatica), or hogweed (Heracleum sphondylium) which are favourite foodplants of the imagos.