About Chersotis margaritacea Villers, 1789
This species, Chersotis margaritacea Villers, 1789, has a wingspan of 32–40 mm. According to Warren's 1914 account, under the synonym R. margaritacea Vill., which also equals I-intactum Hbn., glareosa Tr. nec Esp., the forewing is pearl-grey, slightly flushed with pink. The forewing lines are marked by black costal spots, the upper stigmata are large and obscurely marked, and they are separated by a square black spot. The hindwing is white, with the veins and terminal area darkened in females, and also slightly darkened in dark, well-marked males. This species occurs across Southern Europe, including France, Italy, Switzerland, Southern Germany, Austria, Hungary, Roumelia, and Southern Russia. It is also found in Asia Minor, Armenia, Western Siberia, and Turkestan. The larva is yellowish brown, marbled with dark color on its upper side. Its dorsal and subdorsal lines are white, with oblique black streaks between them. It has a red and white lateral line that is dark-edged along its upper side, and it lives on low-growing plants.