Myelois circumvoluta
Myelois circumvoluta, the thistle ermine, is a small moth species of the family Pyralidae. It is found in Europe.
This pyralid has a pattern of black dots on its whitish forewings, resembling many ermine moths. Among the Lepidoptera, the pyralids and the ermine moths are not closely related, however: the latter are basal Ditrysia, while the former belong to the much more advanced Obtectomera.
The wingspan is. The moth flies in one generation in late spring to early summer, e.g. from the end of May to June in Belgium and the Netherlands.
The caterpillars feed on Cynareae thistles - greater burdock, cotton thistle, and Carduus and Cirsium species.
