... just some dead leaves. Move along!
Olympus Stylus 1s, 200mm, ISO125, f2.8, 1/400s
This comma (Углокрыльница c-белое, Polygonia c-album), named after the white markings on its wings, is actually quite colourful when seen from the top with its wings open:
Olympus Stylus 1s, 300mm, ISO200, f5.6, 1/250s
Its wings are unusually ragged, which is why it is also called anglewings.