Islands (figure 2) Thyreocoris scarabaeoides is a species of shield bug found in Europe.

[1] The nymphs and adults feed primarily on violets (Viola), but they are found on the ground under different plant species.

Overwintering is under dry leaf and needle litter, under stones or in moss.

Mating takes place from April, the egg laying mainly in May and June.

The adult animals of the new generation can be found from late July or August.