Cassida nebulosa is a tortoise beetle, a species of leaf beetle (family Chrysomelidae), 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.[1]
It is widely distributed in most of Europe.
Forrás: Tolnai Lexikon XIV. kötet 64 oldal. 1929