Cassida flaveola, also known as the pale tortoise beetle, is a brownish coloured beetle in the leaf beetle family.
The beetle is found in the Palearctic realm, east up to the Russian Far East.
The host plants are Caryophyllaceae species, including Cerastium vulgatum, Honckenya peploides, Malachium aquaticum, Spergula arvensis, Spergula nemorum, Stellaria graminea and Stellaria media.