Cassida nebulosa
Cassida nebulosa is a tortoise beetle, a species of leaf beetle, belonging to the subfamily Cassidinae.
It feeds on several plants of the family Chenopodiaceae; particularly on beet Beta vulgaris, on Chenopodium album, on C. glaucum and on Atriplex hortensis.
It is widely distributed in most of Europe, Russia, East Asia including China, Korea and Japan.