Tortoise beetles (Cassidinae s. str., Chrysomelidae, Coleoptera) compose a highly diverse group of insects, with most species found in Neotropical regions, such as the Brazilian Atlantic Forest, one of the most important hotspots in the world. Neotropical cassidines are known to typically display strong host specialization and distinct temporal patterns; however, host plants of most species are still unknown and very few studi...